15640742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4391}}^1$

素因数の和:4543

約数の個数: 16

約数和(自身を含む): 25456032

約数和(自身を除く): 9815290

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 4391, 8782, 57083, 114166, 601567, 1203134, 7820371, 15640742]

約数ペア:

[(1, 15640742), (2, 7820371), (13, 1203134), (26, 601567), (137, 114166), (274, 57083), (1781, 8782), (3562, 4391)]