321384416

素因数分解:

$2^5\times {\mathrm{251}}^1\times {\mathrm{40013}}^1$

素因数の和:40274

約数の個数: 24

約数和(自身を含む): 635262264

約数和(自身を除く): 313877848

約数列:

[1, 2, 4, 8, 16, 32, 251, 502, 1004, 2008, 4016, 8032, 40013, 80026, 160052, 320104, 640208, 1280416, 10043263, 20086526, 40173052, 80346104, 160692208, 321384416]

約数ペア:

[(1, 321384416), (2, 160692208), (4, 80346104), (8, 40173052), (16, 20086526), (32, 10043263), (251, 1280416), (502, 640208), (1004, 320104), (2008, 160052), (4016, 80026), (8032, 40013)]