28239265

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 34517376

約数和(自身を除く): 6278111

約数列:

[1, 5, 113, 151, 331, 565, 755, 1655, 17063, 37403, 49981, 85315, 187015, 249905, 5647853, 28239265]

約数ペア:

[(1, 28239265), (5, 5647853), (113, 249905), (151, 187015), (331, 85315), (565, 49981), (755, 37403), (1655, 17063)]