209218709

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{13921}}^1$

素因数の和:14060

約数の個数: 16

約数和(自身を含む): 253937280

約数和(自身を除く): 44718571

約数列:

[1, 7, 19, 113, 133, 791, 2147, 13921, 15029, 97447, 264499, 1573073, 1851493, 11011511, 29888387, 209218709]

約数ペア:

[(1, 209218709), (7, 29888387), (19, 11011511), (113, 1851493), (133, 1573073), (791, 264499), (2147, 97447), (13921, 15029)]