259745812

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{630451}}^1$

素因数の和:630558

約数の個数: 12

約数和(自身を含む): 458969056

約数和(自身を除く): 199223244

約数列:

[1, 2, 4, 103, 206, 412, 630451, 1260902, 2521804, 64936453, 129872906, 259745812]

約数ペア:

[(1, 259745812), (2, 129872906), (4, 64936453), (103, 2521804), (206, 1260902), (412, 630451)]