645990604

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1003091}}^1$

素因数の和:1003125

約数の個数: 24

約数和(自身を含む): 1348155648

約数和(自身を除く): 702165044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1003091, 2006182, 4012364, 7021637, 14043274, 23071093, 28086548, 46142186, 92284372, 161497651, 322995302, 645990604]

約数ペア:

[(1, 645990604), (2, 322995302), (4, 161497651), (7, 92284372), (14, 46142186), (23, 28086548), (28, 23071093), (46, 14043274), (92, 7021637), (161, 4012364), (322, 2006182), (644, 1003091)]