221490472

素因数分解:

$2^3\times 7^1\times {\mathrm{3955187}}^1$

素因数の和:3955200

約数の個数: 16

約数和(自身を含む): 474622560

約数和(自身を除く): 253132088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3955187, 7910374, 15820748, 27686309, 31641496, 55372618, 110745236, 221490472]

約数ペア:

[(1, 221490472), (2, 110745236), (4, 55372618), (7, 31641496), (8, 27686309), (14, 15820748), (28, 7910374), (56, 3955187)]