641991042

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 256

約数和(自身を含む): 1907712000

約数和(自身を除く): 1265720958

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 27, 33, 42, 46, 49, 54, 63, 66, 69, 77, 98, 99, 126, 137, 138, 147, 154, 161, 189, 198, 207, 231, 253, 274, 294, 297, 322, 343, 378, 411, 414, 441, 462, 483, 506, 539, 594, 621, 686, 693, 759, 822, 882, 959, 966, 1029, 1078, 1127, 1233, 1242, 1323, 1386, 1449, 1507, 1518, 1617, 1771, 1918, 2058, 2079, 2254, 2277, 2466, 2646, 2877, 2898, 3014, 3087, 3151, 3234, 3381, 3542, 3699, 3773, 4158, 4347, 4521, 4554, 4851, 5313, 5754, 6174, 6302, 6713, 6762, 6831, 7398, 7546, 7889, 8631, 8694, 9042, 9261, 9453, 9702, 10143, 10549, 10626, 11319, 12397, 13426, 13563, 13662, 14553, 15778, 15939, 17262, 18522, 18906, 20139, 20286, 21098, 22057, 22638, 23667, 24794, 25893, 27126, 28359, 29106, 30429, 31647, 31878, 33957, 34661, 37191, 40278, 40689, 44114, 46991, 47334, 47817, 51786, 56718, 60417, 60858, 63294, 66171, 67914, 69322, 71001, 73843, 74382, 81378, 85077, 86779, 93982, 94941, 95634, 101871, 103983, 111573, 120834, 132342, 140973, 142002, 147686, 154399, 170154, 173558, 181251, 189882, 198513, 203742, 207966, 213003, 221529, 223146, 242627, 260337, 281946, 284823, 308798, 311949, 334719, 362502, 397026, 422919, 426006, 443058, 463197, 485254, 516901, 520674, 569646, 595539, 623898, 664587, 669438, 727881, 781011, 845838, 926394, 935847, 1033802, 1080793, 1191078, 1268757, 1329174, 1389591, 1455762, 1550703, 1562022, 1698389, 1871694, 1993761, 2161586, 2183643, 2343033, 2537514, 2779182, 3101406, 3242379, 3396778, 3987522, 4168773, 4367286, 4652109, 4686066, 5095167, 6484758, 6550929, 8337546, 9304218, 9727137, 10190334, 11888723, 13101858, 13956327, 15285501, 19454274, 23777446, 27912654, 29181411, 30571002, 35666169, 45856503, 58362822, 71332338, 91713006, 106998507, 213997014, 320995521, 641991042]

約数ペア:

[(1, 641991042), (2, 320995521), (3, 213997014), (6, 106998507), (7, 91713006), (9, 71332338), (11, 58362822), (14, 45856503), (18, 35666169), (21, 30571002), (22, 29181411), (23, 27912654), (27, 23777446), (33, 19454274), (42, 15285501), (46, 13956327), (49, 13101858), (54, 11888723), (63, 10190334), (66, 9727137), (69, 9304218), (77, 8337546), (98, 6550929), (99, 6484758), (126, 5095167), (137, 4686066), (138, 4652109), (147, 4367286), (154, 4168773), (161, 3987522), (189, 3396778), (198, 3242379), (207, 3101406), (231, 2779182), (253, 2537514), (274, 2343033), (294, 2183643), (297, 2161586), (322, 1993761), (343, 1871694), (378, 1698389), (411, 1562022), (414, 1550703), (441, 1455762), (462, 1389591), (483, 1329174), (506, 1268757), (539, 1191078), (594, 1080793), (621, 1033802), (686, 935847), (693, 926394), (759, 845838), (822, 781011), (882, 727881), (959, 669438), (966, 664587), (1029, 623898), (1078, 595539), (1127, 569646), (1233, 520674), (1242, 516901), (1323, 485254), (1386, 463197), (1449, 443058), (1507, 426006), (1518, 422919), (1617, 397026), (1771, 362502), (1918, 334719), (2058, 311949), (2079, 308798), (2254, 284823), (2277, 281946), (2466, 260337), (2646, 242627), (2877, 223146), (2898, 221529), (3014, 213003), (3087, 207966), (3151, 203742), (3234, 198513), (3381, 189882), (3542, 181251), (3699, 173558), (3773, 170154), (4158, 154399), (4347, 147686), (4521, 142002), (4554, 140973), (4851, 132342), (5313, 120834), (5754, 111573), (6174, 103983), (6302, 101871), (6713, 95634), (6762, 94941), (6831, 93982), (7398, 86779), (7546, 85077), (7889, 81378), (8631, 74382), (8694, 73843), (9042, 71001), (9261, 69322), (9453, 67914), (9702, 66171), (10143, 63294), (10549, 60858), (10626, 60417), (11319, 56718), (12397, 51786), (13426, 47817), (13563, 47334), (13662, 46991), (14553, 44114), (15778, 40689), (15939, 40278), (17262, 37191), (18522, 34661), (18906, 33957), (20139, 31878), (20286, 31647), (21098, 30429), (22057, 29106), (22638, 28359), (23667, 27126), (24794, 25893)]