128517415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{2351}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 172081728

約数和(自身を除く): 43564313

約数列:

[1, 5, 13, 29, 65, 145, 377, 841, 1885, 2351, 4205, 10933, 11755, 30563, 54665, 68179, 152815, 340895, 886327, 1977191, 4431635, 9885955, 25703483, 128517415]

約数ペア:

[(1, 128517415), (5, 25703483), (13, 9885955), (29, 4431635), (65, 1977191), (145, 886327), (377, 340895), (841, 152815), (1885, 68179), (2351, 54665), (4205, 30563), (10933, 11755)]