68139715

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 96370560

約数和(自身を除く): 28230845

約数列:

[1, 5, 7, 35, 53, 109, 265, 337, 371, 545, 763, 1685, 1855, 2359, 3815, 5777, 11795, 17861, 28885, 36733, 40439, 89305, 125027, 183665, 202195, 257131, 625135, 1285655, 1946849, 9734245, 13627943, 68139715]

約数ペア:

[(1, 68139715), (5, 13627943), (7, 9734245), (35, 1946849), (53, 1285655), (109, 625135), (265, 257131), (337, 202195), (371, 183665), (545, 125027), (763, 89305), (1685, 40439), (1855, 36733), (2359, 28885), (3815, 17861), (5777, 11795)]