31379686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1877}}^1$

素因数の和:2535

約数の個数: 16

約数和(自身を含む): 50796144

約数和(自身を除く): 19416458

約数列:

[1, 2, 13, 26, 643, 1286, 1877, 3754, 8359, 16718, 24401, 48802, 1206911, 2413822, 15689843, 31379686]

約数ペア:

[(1, 31379686), (2, 15689843), (13, 2413822), (26, 1206911), (643, 48802), (1286, 24401), (1877, 16718), (3754, 8359)]