398804981

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{2221}}^1$

素因数の和:2492

約数の個数: 16

約数和(自身を含む): 429610368

約数和(自身を除く): 30805387

約数列:

[1, 23, 37, 211, 851, 2221, 4853, 7807, 51083, 82177, 179561, 468631, 1890071, 10778513, 17339347, 398804981]

約数ペア:

[(1, 398804981), (23, 17339347), (37, 10778513), (211, 1890071), (851, 468631), (2221, 179561), (4853, 82177), (7807, 51083)]