391789442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{84401}}^1$

素因数の和:84625

約数の個数: 16

約数和(自身を含む): 644156064

約数和(自身を除く): 252366622

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 84401, 168802, 928411, 1856822, 17808611, 35617222, 195894721, 391789442]

約数ペア:

[(1, 391789442), (2, 195894721), (11, 35617222), (22, 17808611), (211, 1856822), (422, 928411), (2321, 168802), (4642, 84401)]