128638852

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{2137}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 228979800

約数和(自身を除く): 100340948

約数列:

[1, 2, 4, 101, 149, 202, 298, 404, 596, 2137, 4274, 8548, 15049, 30098, 60196, 215837, 318413, 431674, 636826, 863348, 1273652, 32159713, 64319426, 128638852]

約数ペア:

[(1, 128638852), (2, 64319426), (4, 32159713), (101, 1273652), (149, 863348), (202, 636826), (298, 431674), (404, 318413), (596, 215837), (2137, 60196), (4274, 30098), (8548, 15049)]