640792919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 700613760

約数和(自身を除く): 59820841

約数列:

[1, 13, 131, 139, 1703, 1807, 2707, 18209, 35191, 236717, 354617, 376273, 4610021, 4891549, 49291763, 640792919]

約数ペア:

[(1, 640792919), (13, 49291763), (131, 4891549), (139, 4610021), (1703, 376273), (1807, 354617), (2707, 236717), (18209, 35191)]