28480465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{521}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 38191608

約数和(自身を除く): 9711143

約数列:

[1, 5, 13, 29, 65, 145, 377, 521, 841, 1885, 2605, 4205, 6773, 10933, 15109, 33865, 54665, 75545, 196417, 438161, 982085, 2190805, 5696093, 28480465]

約数ペア:

[(1, 28480465), (5, 5696093), (13, 2190805), (29, 982085), (65, 438161), (145, 196417), (377, 75545), (521, 54665), (841, 33865), (1885, 15109), (2605, 10933), (4205, 6773)]