221356016

素因数分解:

$2^4\times 7^1\times {\mathrm{1976393}}^1$

素因数の和:1976408

約数の個数: 20

約数和(自身を含む): 490145712

約数和(自身を除く): 268789696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1976393, 3952786, 7905572, 13834751, 15811144, 27669502, 31622288, 55339004, 110678008, 221356016]

約数ペア:

[(1, 221356016), (2, 110678008), (4, 55339004), (7, 31622288), (8, 27669502), (14, 15811144), (16, 13834751), (28, 7905572), (56, 3952786), (112, 1976393)]