256778001

素因数分解:

$3^2\times {\mathrm{313}}^1\times {\mathrm{91153}}^1$

素因数の和:91472

約数の個数: 12

約数和(自身を含む): 372090628

約数和(自身を除く): 115312627

約数列:

[1, 3, 9, 313, 939, 2817, 91153, 273459, 820377, 28530889, 85592667, 256778001]

約数ペア:

[(1, 256778001), (3, 85592667), (9, 28530889), (313, 820377), (939, 273459), (2817, 91153)]