71918428

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{438527}}^1$

素因数の和:438572

約数の個数: 12

約数和(自身を含む): 128927232

約数和(自身を除く): 57008804

約数列:

[1, 2, 4, 41, 82, 164, 438527, 877054, 1754108, 17979607, 35959214, 71918428]

約数ペア:

[(1, 71918428), (2, 35959214), (4, 17979607), (41, 1754108), (82, 877054), (164, 438527)]