28652015

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 11854465

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 1409, 2905, 4067, 7045, 9863, 20335, 49315, 69041, 116947, 345205, 584735, 818629, 4093145, 5730403, 28652015]

約数ペア:

[(1, 28652015), (5, 5730403), (7, 4093145), (35, 818629), (49, 584735), (83, 345205), (245, 116947), (415, 69041), (581, 49315), (1409, 20335), (2905, 9863), (4067, 7045)]