251222712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42379}}^1$

素因数の和:42420

約数の個数: 64

約数和(自身を含む): 711984000

約数和(自身を除く): 460761288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 42379, 84758, 127137, 169516, 254274, 339032, 508548, 550927, 805201, 1017096, 1101854, 1610402, 1652781, 2203708, 2415603, 3220804, 3305562, 4407416, 4831206, 6441608, 6611124, 9662412, 10467613, 13222248, 19324824, 20935226, 31402839, 41870452, 62805678, 83740904, 125611356, 251222712]

約数ペア:

[(1, 251222712), (2, 125611356), (3, 83740904), (4, 62805678), (6, 41870452), (8, 31402839), (12, 20935226), (13, 19324824), (19, 13222248), (24, 10467613), (26, 9662412), (38, 6611124), (39, 6441608), (52, 4831206), (57, 4407416), (76, 3305562), (78, 3220804), (104, 2415603), (114, 2203708), (152, 1652781), (156, 1610402), (228, 1101854), (247, 1017096), (312, 805201), (456, 550927), (494, 508548), (741, 339032), (988, 254274), (1482, 169516), (1976, 127137), (2964, 84758), (5928, 42379)]