1557100816

素因数分解:

$2^4\times {\mathrm{22133}}^1\times {\mathrm{4397}}^1$

素因数の和:26538

約数の個数: 20

約数和(自身を含む): 3017705292

約数和(自身を除く): 1460604476

約数列:

[1, 2, 4, 8, 16, 4397, 8794, 17588, 22133, 35176, 44266, 70352, 88532, 177064, 354128, 97318801, 194637602, 389275204, 778550408, 1557100816]

約数ペア:

[(1, 1557100816), (2, 778550408), (4, 389275204), (8, 194637602), (16, 97318801), (4397, 354128), (8794, 177064), (17588, 88532), (22133, 70352), (35176, 44266)]