209966897

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{1097}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 247006080

約数和(自身を除く): 37039183

約数列:

[1, 7, 37, 259, 739, 1097, 5173, 7679, 27343, 40589, 191401, 284123, 810683, 5674781, 29995271, 209966897]

約数ペア:

[(1, 209966897), (7, 29995271), (37, 5674781), (259, 810683), (739, 284123), (1097, 191401), (5173, 40589), (7679, 27343)]