77776894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{21521}}^1$

素因数の和:21675

約数の個数: 16

約数和(自身を含む): 126549360

約数和(自身を除く): 48772466

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 21521, 43042, 279773, 559546, 2991419, 5982838, 38888447, 77776894]

約数ペア:

[(1, 77776894), (2, 38888447), (13, 5982838), (26, 2991419), (139, 559546), (278, 279773), (1807, 43042), (3614, 21521)]