199721816

素因数分解:

$2^3\times 7^1\times {\mathrm{3566461}}^1$

素因数の和:3566474

約数の個数: 16

約数和(自身を含む): 427975440

約数和(自身を除く): 228253624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3566461, 7132922, 14265844, 24965227, 28531688, 49930454, 99860908, 199721816]

約数ペア:

[(1, 199721816), (2, 99860908), (4, 49930454), (7, 28531688), (8, 24965227), (14, 14265844), (28, 7132922), (56, 3566461)]