67420691

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 79899264

約数和(自身を除く): 12478573

約数列:

[1, 13, 17, 31, 169, 221, 403, 527, 757, 2873, 5239, 6851, 9841, 12869, 23467, 89063, 127933, 167297, 305071, 398939, 2174861, 3965923, 5186207, 67420691]

約数ペア:

[(1, 67420691), (13, 5186207), (17, 3965923), (31, 2174861), (169, 398939), (221, 305071), (403, 167297), (527, 127933), (757, 89063), (2873, 23467), (5239, 12869), (6851, 9841)]