172457999

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 210124800

約数和(自身を除く): 37666801

約数列:

[1, 7, 37, 49, 107, 127, 259, 343, 749, 889, 1813, 3959, 4699, 5243, 6223, 12691, 13589, 27713, 32893, 36701, 43561, 95123, 193991, 230251, 502793, 665861, 1357937, 1611757, 3519551, 4661027, 24636857, 172457999]

約数ペア:

[(1, 172457999), (7, 24636857), (37, 4661027), (49, 3519551), (107, 1611757), (127, 1357937), (259, 665861), (343, 502793), (749, 230251), (889, 193991), (1813, 95123), (3959, 43561), (4699, 36701), (5243, 32893), (6223, 27713), (12691, 13589)]