221018504

素因数分解:

$2^3\times 7^1\times {\mathrm{3946759}}^1$

素因数の和:3946772

約数の個数: 16

約数和(自身を含む): 473611200

約数和(自身を除く): 252592696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3946759, 7893518, 15787036, 27627313, 31574072, 55254626, 110509252, 221018504]

約数ペア:

[(1, 221018504), (2, 110509252), (4, 55254626), (7, 31574072), (8, 27627313), (14, 15787036), (28, 7893518), (56, 3946759)]