28388126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35221}}^1$

素因数の和:35267

約数の個数: 16

約数和(自身を含む): 47338368

約数和(自身を除く): 18950242

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 35221, 70442, 457873, 915746, 1091851, 2183702, 14194063, 28388126]

約数ペア:

[(1, 28388126), (2, 14194063), (13, 2183702), (26, 1091851), (31, 915746), (62, 457873), (403, 70442), (806, 35221)]