81678359

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{26701}}^1$

素因数の和:26750

約数の個数: 16

約数和(自身を含む): 102535680

約数和(自身を除く): 20857321

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 26701, 186907, 507319, 614123, 3551233, 4298861, 11668337, 81678359]

約数ペア:

[(1, 81678359), (7, 11668337), (19, 4298861), (23, 3551233), (133, 614123), (161, 507319), (437, 186907), (3059, 26701)]