28420056

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 97044480

約数和(自身を除く): 68624424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 31, 34, 36, 42, 51, 56, 62, 63, 68, 72, 84, 93, 102, 107, 119, 124, 126, 136, 153, 168, 186, 204, 214, 217, 238, 248, 252, 279, 306, 321, 357, 372, 408, 428, 434, 476, 504, 527, 558, 612, 642, 651, 714, 744, 749, 856, 868, 952, 963, 1054, 1071, 1116, 1224, 1284, 1302, 1428, 1498, 1581, 1736, 1819, 1926, 1953, 2108, 2142, 2232, 2247, 2568, 2604, 2856, 2996, 3162, 3317, 3638, 3689, 3852, 3906, 4216, 4284, 4494, 4743, 5208, 5457, 5992, 6324, 6634, 6741, 7276, 7378, 7704, 7812, 8568, 8988, 9486, 9951, 10914, 11067, 12648, 12733, 13268, 13482, 14552, 14756, 15624, 16371, 17976, 18972, 19902, 21828, 22134, 23219, 25466, 26536, 26964, 29512, 29853, 32742, 33201, 37944, 38199, 39804, 43656, 44268, 46438, 50932, 53928, 56389, 59706, 65484, 66402, 69657, 76398, 79608, 88536, 92876, 101864, 112778, 114597, 119412, 130968, 132804, 139314, 152796, 169167, 185752, 208971, 225556, 229194, 238824, 265608, 278628, 305592, 338334, 394723, 417942, 451112, 458388, 507501, 557256, 676668, 789446, 835884, 916776, 1015002, 1184169, 1353336, 1578892, 1671768, 2030004, 2368338, 3157784, 3552507, 4060008, 4736676, 7105014, 9473352, 14210028, 28420056]

約数ペア:

[(1, 28420056), (2, 14210028), (3, 9473352), (4, 7105014), (6, 4736676), (7, 4060008), (8, 3552507), (9, 3157784), (12, 2368338), (14, 2030004), (17, 1671768), (18, 1578892), (21, 1353336), (24, 1184169), (28, 1015002), (31, 916776), (34, 835884), (36, 789446), (42, 676668), (51, 557256), (56, 507501), (62, 458388), (63, 451112), (68, 417942), (72, 394723), (84, 338334), (93, 305592), (102, 278628), (107, 265608), (119, 238824), (124, 229194), (126, 225556), (136, 208971), (153, 185752), (168, 169167), (186, 152796), (204, 139314), (214, 132804), (217, 130968), (238, 119412), (248, 114597), (252, 112778), (279, 101864), (306, 92876), (321, 88536), (357, 79608), (372, 76398), (408, 69657), (428, 66402), (434, 65484), (476, 59706), (504, 56389), (527, 53928), (558, 50932), (612, 46438), (642, 44268), (651, 43656), (714, 39804), (744, 38199), (749, 37944), (856, 33201), (868, 32742), (952, 29853), (963, 29512), (1054, 26964), (1071, 26536), (1116, 25466), (1224, 23219), (1284, 22134), (1302, 21828), (1428, 19902), (1498, 18972), (1581, 17976), (1736, 16371), (1819, 15624), (1926, 14756), (1953, 14552), (2108, 13482), (2142, 13268), (2232, 12733), (2247, 12648), (2568, 11067), (2604, 10914), (2856, 9951), (2996, 9486), (3162, 8988), (3317, 8568), (3638, 7812), (3689, 7704), (3852, 7378), (3906, 7276), (4216, 6741), (4284, 6634), (4494, 6324), (4743, 5992), (5208, 5457)]