261808976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 647958528

約数和(自身を除く): 386149552

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 53, 68, 88, 104, 106, 127, 136, 143, 176, 187, 208, 212, 221, 254, 272, 286, 374, 424, 442, 508, 572, 583, 689, 748, 848, 884, 901, 1016, 1144, 1166, 1378, 1397, 1496, 1651, 1768, 1802, 2032, 2159, 2288, 2332, 2431, 2756, 2794, 2992, 3302, 3536, 3604, 4318, 4664, 4862, 5512, 5588, 6604, 6731, 7208, 7579, 8636, 9328, 9724, 9911, 11024, 11176, 11713, 13208, 13462, 14416, 15158, 17272, 18161, 19448, 19822, 22352, 23426, 23749, 26416, 26924, 28067, 30316, 34544, 36322, 38896, 39644, 46852, 47498, 53848, 56134, 60632, 72644, 74041, 79288, 87503, 93704, 94996, 107696, 112268, 114427, 121264, 128843, 145288, 148082, 158576, 175006, 187408, 189992, 224536, 228854, 257686, 290576, 296164, 308737, 350012, 379984, 449072, 457708, 515372, 592328, 617474, 700024, 915416, 962533, 1030744, 1184656, 1234948, 1258697, 1400048, 1487551, 1830832, 1925066, 2061488, 2469896, 2517394, 2975102, 3850132, 4939792, 5034788, 5950204, 7700264, 10069576, 11900408, 15400528, 16363061, 20139152, 23800816, 32726122, 65452244, 130904488, 261808976]

約数ペア:

[(1, 261808976), (2, 130904488), (4, 65452244), (8, 32726122), (11, 23800816), (13, 20139152), (16, 16363061), (17, 15400528), (22, 11900408), (26, 10069576), (34, 7700264), (44, 5950204), (52, 5034788), (53, 4939792), (68, 3850132), (88, 2975102), (104, 2517394), (106, 2469896), (127, 2061488), (136, 1925066), (143, 1830832), (176, 1487551), (187, 1400048), (208, 1258697), (212, 1234948), (221, 1184656), (254, 1030744), (272, 962533), (286, 915416), (374, 700024), (424, 617474), (442, 592328), (508, 515372), (572, 457708), (583, 449072), (689, 379984), (748, 350012), (848, 308737), (884, 296164), (901, 290576), (1016, 257686), (1144, 228854), (1166, 224536), (1378, 189992), (1397, 187408), (1496, 175006), (1651, 158576), (1768, 148082), (1802, 145288), (2032, 128843), (2159, 121264), (2288, 114427), (2332, 112268), (2431, 107696), (2756, 94996), (2794, 93704), (2992, 87503), (3302, 79288), (3536, 74041), (3604, 72644), (4318, 60632), (4664, 56134), (4862, 53848), (5512, 47498), (5588, 46852), (6604, 39644), (6731, 38896), (7208, 36322), (7579, 34544), (8636, 30316), (9328, 28067), (9724, 26924), (9911, 26416), (11024, 23749), (11176, 23426), (11713, 22352), (13208, 19822), (13462, 19448), (14416, 18161), (15158, 17272)]