219638081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1747}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 249614400

約数和(自身を除く): 29976319

約数列:

[1, 13, 19, 247, 509, 1747, 6617, 9671, 22711, 33193, 125723, 431509, 889223, 11559899, 16895237, 219638081]

約数ペア:

[(1, 219638081), (13, 16895237), (19, 11559899), (247, 889223), (509, 431509), (1747, 125723), (6617, 33193), (9671, 22711)]