81949684

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 145454400

約数和(自身を除く): 63504716

約数列:

[1, 2, 4, 103, 206, 412, 443, 449, 886, 898, 1772, 1796, 45629, 46247, 91258, 92494, 182516, 184988, 198907, 397814, 795628, 20487421, 40974842, 81949684]

約数ペア:

[(1, 81949684), (2, 40974842), (4, 20487421), (103, 795628), (206, 397814), (412, 198907), (443, 184988), (449, 182516), (886, 92494), (898, 91258), (1772, 46247), (1796, 45629)]