645722758

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{102139}}^1$

素因数の和:102279

約数の個数: 16

約数和(自身を含む): 1011186000

約数和(自身を除く): 365463242

約数列:

[1, 2, 29, 58, 109, 218, 3161, 6322, 102139, 204278, 2962031, 5924062, 11133151, 22266302, 322861379, 645722758]

約数ペア:

[(1, 645722758), (2, 322861379), (29, 22266302), (58, 11133151), (109, 5924062), (218, 2962031), (3161, 204278), (6322, 102139)]