389968996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{86969}}^1$

素因数の和:87051

約数の個数: 24

約数和(自身を含む): 730548000

約数和(自身を除く): 340579004

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 86969, 173938, 347876, 1652411, 3304822, 5131171, 6609644, 10262342, 20524684, 97492249, 194984498, 389968996]

約数ペア:

[(1, 389968996), (2, 194984498), (4, 97492249), (19, 20524684), (38, 10262342), (59, 6609644), (76, 5131171), (118, 3304822), (236, 1652411), (1121, 347876), (2242, 173938), (4484, 86969)]