290431408

素因数分解:

$2^4\times {\mathrm{1667}}^1\times {\mathrm{10889}}^1$

素因数の和:12564

約数の個数: 20

約数和(自身を含む): 563100120

約数和(自身を除く): 272668712

約数列:

[1, 2, 4, 8, 16, 1667, 3334, 6668, 10889, 13336, 21778, 26672, 43556, 87112, 174224, 18151963, 36303926, 72607852, 145215704, 290431408]

約数ペア:

[(1, 290431408), (2, 145215704), (4, 72607852), (8, 36303926), (16, 18151963), (1667, 174224), (3334, 87112), (6668, 43556), (10889, 26672), (13336, 21778)]