405958138

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{120749}}^1$

素因数の和:120833

約数の個数: 12

約数和(自身を含む): 624156750

約数和(自身を除く): 218198612

約数列:

[1, 2, 41, 82, 1681, 3362, 120749, 241498, 4950709, 9901418, 202979069, 405958138]

約数ペア:

[(1, 405958138), (2, 202979069), (41, 9901418), (82, 4950709), (1681, 241498), (3362, 120749)]