163886398

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{15641}}^1$

素因数の和:15700

約数の個数: 24

約数和(自身を含む): 274798656

約数和(自身を除く): 110912258

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 15641, 31282, 203333, 406666, 484871, 969742, 2643329, 5286658, 6303323, 12606646, 81943199, 163886398]

約数ペア:

[(1, 163886398), (2, 81943199), (13, 12606646), (26, 6303323), (31, 5286658), (62, 2643329), (169, 969742), (338, 484871), (403, 406666), (806, 203333), (5239, 31282), (10478, 15641)]