78796487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{21773}}^1$

素因数の和:21838

約数の個数: 16

約数和(自身を含む): 100334592

約数和(自身を除く): 21538105

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 21773, 152411, 239503, 1023331, 1676521, 7163317, 11256641, 78796487]

約数ペア:

[(1, 78796487), (7, 11256641), (11, 7163317), (47, 1676521), (77, 1023331), (329, 239503), (517, 152411), (3619, 21773)]