680403971

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{13931}}^1$

素因数の和:13991

約数の個数: 18

約数和(自身を含む): 782713692

約数和(自身を除く): 102309721

約数列:

[1, 13, 17, 169, 221, 289, 2873, 3757, 13931, 48841, 181103, 236827, 2354339, 3078751, 4026059, 40023763, 52338767, 680403971]

約数ペア:

[(1, 680403971), (13, 52338767), (17, 40023763), (169, 4026059), (221, 3078751), (289, 2354339), (2873, 236827), (3757, 181103), (13931, 48841)]