13208875

素因数分解:

$5^3\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 16589664

約数和(自身を除く): 3380789

約数列:

[1, 5, 25, 125, 251, 421, 1255, 2105, 6275, 10525, 31375, 52625, 105671, 528355, 2641775, 13208875]

約数ペア:

[(1, 13208875), (5, 2641775), (25, 528355), (125, 105671), (251, 52625), (421, 31375), (1255, 10525), (2105, 6275)]