209730730898

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{620505121}}^1$

素因数の和:620505149

約数の個数: 12

約数和(自身を含む): 340657311978

約数和(自身を除く): 130926581080

約数列:

[1, 2, 13, 26, 169, 338, 620505121, 1241010242, 8066566573, 16133133146, 104865365449, 209730730898]

約数ペア:

[(1, 209730730898), (2, 104865365449), (13, 16133133146), (26, 8066566573), (169, 1241010242), (338, 620505121)]