129405470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{417437}}^1$

素因数の和:417475

約数の個数: 16

約数和(自身を含む): 240444288

約数和(自身を除く): 111038818

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 417437, 834874, 2087185, 4174370, 12940547, 25881094, 64702735, 129405470]

約数ペア:

[(1, 129405470), (2, 64702735), (5, 25881094), (10, 12940547), (31, 4174370), (62, 2087185), (155, 834874), (310, 417437)]