90217729

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2137}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 106592128

約数和(自身を除く): 16374399

約数列:

[1, 7, 37, 163, 259, 1141, 2137, 6031, 14959, 42217, 79069, 348331, 553483, 2438317, 12888247, 90217729]

約数ペア:

[(1, 90217729), (7, 12888247), (37, 2438317), (163, 553483), (259, 348331), (1141, 79069), (2137, 42217), (6031, 14959)]