129519265

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 158181120

約数和(自身を除く): 28661855

約数列:

[1, 5, 71, 355, 397, 919, 1985, 4595, 28187, 65249, 140935, 326245, 364843, 1824215, 25903853, 129519265]

約数ペア:

[(1, 129519265), (5, 25903853), (71, 1824215), (355, 364843), (397, 326245), (919, 140935), (1985, 65249), (4595, 28187)]