12820030828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{26487667}}^1$

素因数の和:26487693

約数の個数: 18

約数和(自身を含む): 24660018908

約数和(自身を除く): 11839988080

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 26487667, 52975334, 105950668, 291364337, 582728674, 1165457348, 3205007707, 6410015414, 12820030828]

約数ペア:

[(1, 12820030828), (2, 6410015414), (4, 3205007707), (11, 1165457348), (22, 582728674), (44, 291364337), (121, 105950668), (242, 52975334), (484, 26487667)]