131389072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{221941}}^1$

素因数の和:221986

約数の個数: 20

約数和(自身を含む): 261447676

約数和(自身を除く): 130058604

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 221941, 443882, 887764, 1775528, 3551056, 8211817, 16423634, 32847268, 65694536, 131389072]

約数ペア:

[(1, 131389072), (2, 65694536), (4, 32847268), (8, 16423634), (16, 8211817), (37, 3551056), (74, 1775528), (148, 887764), (296, 443882), (592, 221941)]