13221475

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{12899}}^1$

素因数の和:12950

約数の個数: 12

約数和(自身を含む): 16795800

約数和(自身を除く): 3574325

約数列:

[1, 5, 25, 41, 205, 1025, 12899, 64495, 322475, 528859, 2644295, 13221475]

約数ペア:

[(1, 13221475), (5, 2644295), (25, 528859), (41, 322475), (205, 64495), (1025, 12899)]