28528084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7727}}^1$

素因数の和:7815

約数の個数: 24

約数和(自身を含む): 54528768

約数和(自身を除く): 26000684

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7727, 15454, 30908, 100451, 200902, 401804, 548617, 1097234, 2194468, 7132021, 14264042, 28528084]

約数ペア:

[(1, 28528084), (2, 14264042), (4, 7132021), (13, 2194468), (26, 1097234), (52, 548617), (71, 401804), (142, 200902), (284, 100451), (923, 30908), (1846, 15454), (3692, 7727)]