205129612

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{765409}}^1$

素因数の和:765480

約数の個数: 12

約数和(自身を含む): 364335160

約数和(自身を除く): 159205548

約数列:

[1, 2, 4, 67, 134, 268, 765409, 1530818, 3061636, 51282403, 102564806, 205129612]

約数ペア:

[(1, 205129612), (2, 102564806), (4, 51282403), (67, 3061636), (134, 1530818), (268, 765409)]