8889164921

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{1073441}}^1$

素因数の和:1073481

約数の個数: 18

約数和(自身を含む): 11197073502

約数和(自身を除く): 2307908581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 1073441, 7514087, 13954733, 52598609, 97683131, 181411529, 683781917, 1269880703, 8889164921]

約数ペア:

[(1, 8889164921), (7, 1269880703), (13, 683781917), (49, 181411529), (91, 97683131), (169, 52598609), (637, 13954733), (1183, 7514087), (8281, 1073441)]