256480511

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1\times {\mathrm{727}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 297024000

約数和(自身を除く): 40543489

約数列:

[1, 7, 101, 499, 707, 727, 3493, 5089, 50399, 73427, 352793, 362773, 513989, 2539411, 36640073, 256480511]

約数ペア:

[(1, 256480511), (7, 36640073), (101, 2539411), (499, 513989), (707, 362773), (727, 352793), (3493, 73427), (5089, 50399)]