1605201412

素因数分解:

$2^2\times {\mathrm{19889}}^1\times {\mathrm{20177}}^1$

素因数の和:40070

約数の個数: 12

約数和(自身を含む): 2809382940

約数和(自身を除く): 1204181528

約数列:

[1, 2, 4, 19889, 20177, 39778, 40354, 79556, 80708, 401300353, 802600706, 1605201412]

約数ペア:

[(1, 1605201412), (2, 802600706), (4, 401300353), (19889, 80708), (20177, 79556), (39778, 40354)]