280347119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1979}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 320332320

約数和(自身を除く): 39985201

約数列:

[1, 13, 17, 221, 641, 1979, 8333, 10897, 25727, 33643, 141661, 437359, 1268539, 16491007, 21565163, 280347119]

約数ペア:

[(1, 280347119), (13, 21565163), (17, 16491007), (221, 1268539), (641, 437359), (1979, 141661), (8333, 33643), (10897, 25727)]