390028078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{65419}}^1$

素因数の和:65703

約数の個数: 16

約数和(自身を含む): 640592640

約数和(自身を除く): 250564562

約数列:

[1, 2, 11, 22, 271, 542, 2981, 5962, 65419, 130838, 719609, 1439218, 17728549, 35457098, 195014039, 390028078]

約数ペア:

[(1, 390028078), (2, 195014039), (11, 35457098), (22, 17728549), (271, 1439218), (542, 719609), (2981, 130838), (5962, 65419)]