420090872

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{248869}}^1$

素因数の和:249086

約数の個数: 16

約数和(自身を含む): 791406600

約数和(自身を除く): 371315728

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 248869, 497738, 995476, 1990952, 52511359, 105022718, 210045436, 420090872]

約数ペア:

[(1, 420090872), (2, 210045436), (4, 105022718), (8, 52511359), (211, 1990952), (422, 995476), (844, 497738), (1688, 248869)]