17999215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4133}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 23613408

約数和(自身を除く): 5614193

約数列:

[1, 5, 13, 65, 67, 335, 871, 4133, 4355, 20665, 53729, 268645, 276911, 1384555, 3599843, 17999215]

約数ペア:

[(1, 17999215), (5, 3599843), (13, 1384555), (65, 276911), (67, 268645), (335, 53729), (871, 20665), (4133, 4355)]