189090460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727271}}^1$

素因数の和:727293

約数の個数: 24

約数和(自身を含む): 427635936

約数和(自身を除く): 238545476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 727271, 1454542, 2909084, 3636355, 7272710, 9454523, 14545420, 18909046, 37818092, 47272615, 94545230, 189090460]

約数ペア:

[(1, 189090460), (2, 94545230), (4, 47272615), (5, 37818092), (10, 18909046), (13, 14545420), (20, 9454523), (26, 7272710), (52, 3636355), (65, 2909084), (130, 1454542), (260, 727271)]