81324904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{327923}}^1$

素因数の和:327960

約数の個数: 16

約数和(自身を含む): 157403520

約数和(自身を除く): 76078616

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 327923, 655846, 1311692, 2623384, 10165613, 20331226, 40662452, 81324904]

約数ペア:

[(1, 81324904), (2, 40662452), (4, 20331226), (8, 10165613), (31, 2623384), (62, 1311692), (124, 655846), (248, 327923)]