201728738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{123457}}^1$

素因数の和:123521

約数の個数: 16

約数和(自身を含む): 325929120

約数和(自身を除く): 124200382

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 123457, 246914, 2345683, 4691366, 5308651, 10617302, 100864369, 201728738]

約数ペア:

[(1, 201728738), (2, 100864369), (19, 10617302), (38, 5308651), (43, 4691366), (86, 2345683), (817, 246914), (1634, 123457)]