291228007

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 336889152

約数和(自身を除く): 45661145

約数列:

[1, 7, 113, 557, 661, 791, 3899, 4627, 62941, 74693, 368177, 440587, 522851, 2577239, 41604001, 291228007]

約数ペア:

[(1, 291228007), (7, 41604001), (113, 2577239), (557, 522851), (661, 440587), (791, 368177), (3899, 74693), (4627, 62941)]