256543186

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{15349}}^1$

素因数の和:15549

約数の個数: 16

約数和(自身を含む): 394003800

約数和(自身を除く): 137460614

約数列:

[1, 2, 61, 122, 137, 274, 8357, 15349, 16714, 30698, 936289, 1872578, 2102813, 4205626, 128271593, 256543186]

約数ペア:

[(1, 256543186), (2, 128271593), (61, 4205626), (122, 2102813), (137, 1872578), (274, 936289), (8357, 30698), (15349, 16714)]