721036382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{997}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 1200282624

約数和(自身を除く): 479246242

約数列:

[1, 2, 11, 22, 71, 142, 463, 781, 926, 997, 1562, 1994, 5093, 10186, 10967, 21934, 32873, 65746, 70787, 141574, 361603, 461611, 723206, 778657, 923222, 1557314, 5077721, 10155442, 32774381, 65548762, 360518191, 721036382]

約数ペア:

[(1, 721036382), (2, 360518191), (11, 65548762), (22, 32774381), (71, 10155442), (142, 5077721), (463, 1557314), (781, 923222), (926, 778657), (997, 723206), (1562, 461611), (1994, 361603), (5093, 141574), (10186, 70787), (10967, 65746), (21934, 32873)]