401041796

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{19889}}^1$

素因数の和:20035

約数の個数: 18

約数和(自身を含む): 711882990

約数和(自身を除く): 310841194

約数列:

[1, 2, 4, 71, 142, 284, 5041, 10082, 19889, 20164, 39778, 79556, 1412119, 2824238, 5648476, 100260449, 200520898, 401041796]

約数ペア:

[(1, 401041796), (2, 200520898), (4, 100260449), (71, 5648476), (142, 2824238), (284, 1412119), (5041, 79556), (10082, 39778), (19889, 20164)]