208444210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1603417}}^1$

素因数の和:1603437

約数の個数: 16

約数和(自身を含む): 404061336

約数和(自身を除く): 195617126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1603417, 3206834, 8017085, 16034170, 20844421, 41688842, 104222105, 208444210]

約数ペア:

[(1, 208444210), (2, 104222105), (5, 41688842), (10, 20844421), (13, 16034170), (26, 8017085), (65, 3206834), (130, 1603417)]