165749740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637499}}^1$

素因数の和:637521

約数の個数: 24

約数和(自身を含む): 374850000

約数和(自身を除く): 209100260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 637499, 1274998, 2549996, 3187495, 6374990, 8287487, 12749980, 16574974, 33149948, 41437435, 82874870, 165749740]

約数ペア:

[(1, 165749740), (2, 82874870), (4, 41437435), (5, 33149948), (10, 16574974), (13, 12749980), (20, 8287487), (26, 6374990), (52, 3187495), (65, 2549996), (130, 1274998), (260, 637499)]