209890356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1345451}}^1$

素因数の和:1345471

約数の個数: 24

約数和(自身を含む): 527417184

約数和(自身を除く): 317526828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1345451, 2690902, 4036353, 5381804, 8072706, 16145412, 17490863, 34981726, 52472589, 69963452, 104945178, 209890356]

約数ペア:

[(1, 209890356), (2, 104945178), (3, 69963452), (4, 52472589), (6, 34981726), (12, 17490863), (13, 16145412), (26, 8072706), (39, 5381804), (52, 4036353), (78, 2690902), (156, 1345451)]