78869545

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{54581}}^1$

素因数の和:54620

約数の個数: 12

約数和(自身を含む): 100540044

約数和(自身を除く): 21670499

約数列:

[1, 5, 17, 85, 289, 1445, 54581, 272905, 927877, 4639385, 15773909, 78869545]

約数ペア:

[(1, 78869545), (5, 15773909), (17, 4639385), (85, 927877), (289, 272905), (1445, 54581)]