15857912

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1423}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 34176000

約数和(自身を除く): 18318088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1423, 1592, 2786, 2846, 5572, 5692, 9961, 11144, 11384, 19922, 39844, 79688, 283177, 566354, 1132708, 1982239, 2265416, 3964478, 7928956, 15857912]

約数ペア:

[(1, 15857912), (2, 7928956), (4, 3964478), (7, 2265416), (8, 1982239), (14, 1132708), (28, 566354), (56, 283177), (199, 79688), (398, 39844), (796, 19922), (1393, 11384), (1423, 11144), (1592, 9961), (2786, 5692), (2846, 5572)]