81044210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{623417}}^1$

素因数の和:623437

約数の個数: 16

約数和(自身を含む): 157101336

約数和(自身を除く): 76057126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 623417, 1246834, 3117085, 6234170, 8104421, 16208842, 40522105, 81044210]

約数ペア:

[(1, 81044210), (2, 40522105), (5, 16208842), (10, 8104421), (13, 6234170), (26, 3117085), (65, 1246834), (130, 623417)]