1640328038

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{719}}^1\times {\mathrm{2789}}^1$

素因数の和:3919

約数の個数: 16

約数和(自身を含む): 2470824000

約数和(自身を除く): 830495962

約数列:

[1, 2, 409, 719, 818, 1438, 2789, 5578, 294071, 588142, 1140701, 2005291, 2281402, 4010582, 820164019, 1640328038]

約数ペア:

[(1, 1640328038), (2, 820164019), (409, 4010582), (719, 2281402), (818, 2005291), (1438, 1140701), (2789, 588142), (5578, 294071)]