28751515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{701}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 37267776

約数和(自身を除く): 8516261

約数列:

[1, 5, 13, 65, 631, 701, 3155, 3505, 8203, 9113, 41015, 45565, 442331, 2211655, 5750303, 28751515]

約数ペア:

[(1, 28751515), (5, 5750303), (13, 2211655), (65, 442331), (631, 45565), (701, 41015), (3155, 9113), (3505, 8203)]