28964585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 38480904

約数和(自身を除く): 9516319

約数列:

[1, 5, 13, 43, 65, 215, 241, 559, 1205, 1849, 2795, 3133, 9245, 10363, 15665, 24037, 51815, 120185, 134719, 445609, 673595, 2228045, 5792917, 28964585]

約数ペア:

[(1, 28964585), (5, 5792917), (13, 2228045), (43, 673595), (65, 445609), (215, 134719), (241, 120185), (559, 51815), (1205, 24037), (1849, 15665), (2795, 10363), (3133, 9245)]