78374569

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 99842568

約数和(自身を除く): 21467999

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2017, 2989, 5551, 14119, 26221, 38857, 98833, 123037, 183547, 861259, 1284829, 1599481, 6028813, 11196367, 78374569]

約数ペア:

[(1, 78374569), (7, 11196367), (13, 6028813), (49, 1599481), (61, 1284829), (91, 861259), (427, 183547), (637, 123037), (793, 98833), (2017, 38857), (2989, 26221), (5551, 14119)]