28754165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1213}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 37760256

約数和(自身を除く): 9006091

約数列:

[1, 5, 11, 55, 431, 1213, 2155, 4741, 6065, 13343, 23705, 66715, 522803, 2614015, 5750833, 28754165]

約数ペア:

[(1, 28754165), (5, 5750833), (11, 2614015), (55, 522803), (431, 66715), (1213, 23705), (2155, 13343), (4741, 6065)]