2640742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 4358592

約数和(自身を除く): 1717850

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 2161, 4322, 28093, 56186, 101567, 203134, 1320371, 2640742]

約数ペア:

[(1, 2640742), (2, 1320371), (13, 203134), (26, 101567), (47, 56186), (94, 28093), (611, 4322), (1222, 2161)]