40170722

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 61051200

約数和(自身を除く): 20880478

約数列:

[1, 2, 139, 229, 278, 458, 631, 1262, 31831, 63662, 87709, 144499, 175418, 288998, 20085361, 40170722]

約数ペア:

[(1, 40170722), (2, 20085361), (139, 288998), (229, 175418), (278, 144499), (458, 87709), (631, 63662), (1262, 31831)]