890303953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2281}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 1148813568

約数和(自身を除く): 258509615

約数列:

[1, 7, 11, 37, 77, 137, 259, 407, 959, 1507, 2281, 2849, 5069, 10549, 15967, 25091, 35483, 55759, 84397, 175637, 312497, 390313, 590779, 928367, 2187479, 3437467, 6498569, 11562389, 24062269, 80936723, 127186279, 890303953]

約数ペア:

[(1, 890303953), (7, 127186279), (11, 80936723), (37, 24062269), (77, 11562389), (137, 6498569), (259, 3437467), (407, 2187479), (959, 928367), (1507, 590779), (2281, 390313), (2849, 312497), (5069, 175637), (10549, 84397), (15967, 55759), (25091, 35483)]