1890718921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{65543}}^1$

素因数の和:65880

約数の個数: 16

約数和(自身を含む): 2334415104

約数和(自身を除く): 443696183

約数列:

[1, 7, 13, 91, 317, 2219, 4121, 28847, 65543, 458801, 852059, 5964413, 20777131, 145439917, 270102703, 1890718921]

約数ペア:

[(1, 1890718921), (7, 270102703), (13, 145439917), (91, 20777131), (317, 5964413), (2219, 852059), (4121, 458801), (28847, 65543)]