28908605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2357}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 38029824

約数和(自身を除く): 9121219

約数列:

[1, 5, 11, 55, 223, 1115, 2357, 2453, 11785, 12265, 25927, 129635, 525611, 2628055, 5781721, 28908605]

約数ペア:

[(1, 28908605), (5, 5781721), (11, 2628055), (55, 525611), (223, 129635), (1115, 25927), (2357, 12265), (2453, 11785)]