1640821289

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{3343}}^1$

素因数の和:3668

約数の個数: 16

約数和(自身を含む): 1725825024

約数和(自身を除く): 85003735

約数列:

[1, 31, 71, 223, 2201, 3343, 6913, 15833, 103633, 237353, 490823, 745489, 7357943, 23110159, 52929719, 1640821289]

約数ペア:

[(1, 1640821289), (31, 52929719), (71, 23110159), (223, 7357943), (2201, 745489), (3343, 490823), (6913, 237353), (15833, 103633)]