648021236

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{9661}}^1$

素因数の和:10115

約数の個数: 24

約数和(自身を含む): 1164657480

約数和(自身を除く): 516636244

約数列:

[1, 2, 4, 41, 82, 164, 409, 818, 1636, 9661, 16769, 19322, 33538, 38644, 67076, 396101, 792202, 1584404, 3951349, 7902698, 15805396, 162005309, 324010618, 648021236]

約数ペア:

[(1, 648021236), (2, 324010618), (4, 162005309), (41, 15805396), (82, 7902698), (164, 3951349), (409, 1584404), (818, 792202), (1636, 396101), (9661, 67076), (16769, 38644), (19322, 33538)]