28881866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{15217}}^1$

素因数の和:15305

約数の個数: 16

約数和(自身を含む): 47297544

約数和(自身を除く): 18415678

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 15217, 30434, 197821, 395642, 1110841, 2221682, 14440933, 28881866]

約数ペア:

[(1, 28881866), (2, 14440933), (13, 2221682), (26, 1110841), (73, 395642), (146, 197821), (949, 30434), (1898, 15217)]