639825644

素因数分解:

$2^2\times {\mathrm{283}}^1\times {\mathrm{389}}^1\times {\mathrm{1453}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 1127315280

約数和(自身を除く): 487489636

約数列:

[1, 2, 4, 283, 389, 566, 778, 1132, 1453, 1556, 2906, 5812, 110087, 220174, 411199, 440348, 565217, 822398, 1130434, 1644796, 2260868, 159956411, 319912822, 639825644]

約数ペア:

[(1, 639825644), (2, 319912822), (4, 159956411), (283, 2260868), (389, 1644796), (566, 1130434), (778, 822398), (1132, 565217), (1453, 440348), (1556, 411199), (2906, 220174), (5812, 110087)]