28719571

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 2453549

約数列:

[1, 23, 43, 71, 409, 989, 1633, 3053, 9407, 17587, 29039, 70219, 404501, 667897, 1248677, 28719571]

約数ペア:

[(1, 28719571), (23, 1248677), (43, 667897), (71, 404501), (409, 70219), (989, 29039), (1633, 17587), (3053, 9407)]