3921221521

素因数分解:

$7^2\times {\mathrm{1993}}^1\times {\mathrm{40153}}^1$

素因数の和:42160

約数の個数: 12

約数和(自身を含む): 4563823332

約数和(自身を除く): 642601811

約数列:

[1, 7, 49, 1993, 13951, 40153, 97657, 281071, 1967497, 80024929, 560174503, 3921221521]

約数ペア:

[(1, 3921221521), (7, 560174503), (49, 80024929), (1993, 1967497), (13951, 281071), (40153, 97657)]