28262017

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 4760063

約数列:

[1, 7, 97, 107, 389, 679, 749, 2723, 10379, 37733, 41623, 72653, 264131, 291361, 4037431, 28262017]

約数ペア:

[(1, 28262017), (7, 4037431), (97, 291361), (107, 264131), (389, 72653), (679, 41623), (749, 37733), (2723, 10379)]