399841912

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{401}}^1\times {\mathrm{1103}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 758911680

約数和(自身を除く): 359069768

約数列:

[1, 2, 4, 8, 113, 226, 401, 452, 802, 904, 1103, 1604, 2206, 3208, 4412, 8824, 45313, 90626, 124639, 181252, 249278, 362504, 442303, 498556, 884606, 997112, 1769212, 3538424, 49980239, 99960478, 199920956, 399841912]

約数ペア:

[(1, 399841912), (2, 199920956), (4, 99960478), (8, 49980239), (113, 3538424), (226, 1769212), (401, 997112), (452, 884606), (802, 498556), (904, 442303), (1103, 362504), (1604, 249278), (2206, 181252), (3208, 124639), (4412, 90626), (8824, 45313)]