142758217

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 174436416

約数和(自身を除く): 31678199

約数列:

[1, 7, 23, 49, 161, 197, 643, 1127, 1379, 4501, 4531, 9653, 14789, 31507, 31717, 103523, 126671, 222019, 724661, 886697, 2913433, 6206879, 20394031, 142758217]

約数ペア:

[(1, 142758217), (7, 20394031), (23, 6206879), (49, 2913433), (161, 886697), (197, 724661), (643, 222019), (1127, 126671), (1379, 103523), (4501, 31717), (4531, 31507), (9653, 14789)]