7978412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 15255072

約数和(自身を除く): 7276660

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 2161, 3692, 4322, 8644, 28093, 56186, 112372, 153431, 306862, 613724, 1994603, 3989206, 7978412]

約数ペア:

[(1, 7978412), (2, 3989206), (4, 1994603), (13, 613724), (26, 306862), (52, 153431), (71, 112372), (142, 56186), (284, 28093), (923, 8644), (1846, 4322), (2161, 3692)]