201994490

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{123923}}^1$

素因数の和:124093

約数の個数: 16

約数和(自身を含む): 365823648

約数和(自身を除く): 163829158

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 123923, 247846, 619615, 1239230, 20199449, 40398898, 100997245, 201994490]

約数ペア:

[(1, 201994490), (2, 100997245), (5, 40398898), (10, 20199449), (163, 1239230), (326, 619615), (815, 247846), (1630, 123923)]