13219745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34337}}^1$

素因数の和:34360

約数の個数: 16

約数和(自身を含む): 19778688

約数和(自身を除く): 6558943

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 34337, 171685, 240359, 377707, 1201795, 1888535, 2643949, 13219745]

約数ペア:

[(1, 13219745), (5, 2643949), (7, 1888535), (11, 1201795), (35, 377707), (55, 240359), (77, 171685), (385, 34337)]