153900866

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{68279}}^1$

素因数の和:68318

約数の個数: 24

約数和(自身を含む): 280221120

約数和(自身を除く): 126320254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 68279, 136558, 477953, 955906, 1570417, 3140834, 3345671, 6691342, 10992919, 21985838, 76950433, 153900866]

約数ペア:

[(1, 153900866), (2, 76950433), (7, 21985838), (14, 10992919), (23, 6691342), (46, 3345671), (49, 3140834), (98, 1570417), (161, 955906), (322, 477953), (1127, 136558), (2254, 68279)]