268587007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{21499}}^1$

素因数の和:21574

約数の個数: 12

約数和(自身を含む): 298893000

約数和(自身を除く): 30305993

約数列:

[1, 13, 31, 403, 961, 12493, 21499, 279487, 666469, 8664097, 20660539, 268587007]

約数ペア:

[(1, 268587007), (13, 20660539), (31, 8664097), (403, 666469), (961, 279487), (12493, 21499)]