390861886

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{929}}^1\times {\mathrm{997}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 590297040

約数和(自身を除く): 199435154

約数列:

[1, 2, 211, 422, 929, 997, 1858, 1994, 196019, 210367, 392038, 420734, 926213, 1852426, 195430943, 390861886]

約数ペア:

[(1, 390861886), (2, 195430943), (211, 1852426), (422, 926213), (929, 420734), (997, 392038), (1858, 210367), (1994, 196019)]