81738349

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{20029}}^1$

素因数の和:20100

約数の個数: 16

約数和(自身を含む): 103835520

約数和(自身を除く): 22097171

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 20029, 140203, 220319, 1061537, 1542233, 7430759, 11676907, 81738349]

約数ペア:

[(1, 81738349), (7, 11676907), (11, 7430759), (53, 1542233), (77, 1061537), (371, 220319), (583, 140203), (4081, 20029)]