28078726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{10093}}^1$

素因数の和:10215

約数の個数: 16

約数和(自身を含む): 45786384

約数和(自身を除く): 17707658

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 10093, 20186, 131209, 262418, 1079951, 2159902, 14039363, 28078726]

約数ペア:

[(1, 28078726), (2, 14039363), (13, 2159902), (26, 1079951), (107, 262418), (214, 131209), (1391, 20186), (2782, 10093)]