661544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6361}}^1$

素因数の和:6380

約数の個数: 16

約数和(自身を含む): 1336020

約数和(自身を除く): 674476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6361, 12722, 25444, 50888, 82693, 165386, 330772, 661544]

約数ペア:

[(1, 661544), (2, 330772), (4, 165386), (8, 82693), (13, 50888), (26, 25444), (52, 12722), (104, 6361)]