68931278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139537}}^1$

素因数の和:139571

約数の個数: 16

約数和(自身を含む): 117211920

約数和(自身を除く): 48280642

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 139537, 279074, 1813981, 2651203, 3627962, 5302406, 34465639, 68931278]

約数ペア:

[(1, 68931278), (2, 34465639), (13, 5302406), (19, 3627962), (26, 2651203), (38, 1813981), (247, 279074), (494, 139537)]