221238808

素因数分解:

$2^3\times 7^1\times {\mathrm{3950693}}^1$

素因数の和:3950706

約数の個数: 16

約数和(自身を含む): 474083280

約数和(自身を除く): 252844472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3950693, 7901386, 15802772, 27654851, 31605544, 55309702, 110619404, 221238808]

約数ペア:

[(1, 221238808), (2, 110619404), (4, 55309702), (7, 31605544), (8, 27654851), (14, 15802772), (28, 7901386), (56, 3950693)]