40789217

素因数分解:

$7^3\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 48048000

約数和(自身を除く): 7258783

約数列:

[1, 7, 49, 109, 343, 763, 1091, 5341, 7637, 37387, 53459, 118919, 374213, 832433, 5827031, 40789217]

約数ペア:

[(1, 40789217), (7, 5827031), (49, 832433), (109, 374213), (343, 118919), (763, 53459), (1091, 37387), (5341, 7637)]