64687903

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 75240000

約数和(自身を除く): 10552097

約数列:

[1, 7, 109, 149, 569, 763, 1043, 3983, 16241, 62021, 84781, 113687, 434147, 593467, 9241129, 64687903]

約数ペア:

[(1, 64687903), (7, 9241129), (109, 593467), (149, 434147), (569, 113687), (763, 84781), (1043, 62021), (3983, 16241)]