17680568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 34320000

約数和(自身を除く): 16639432

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 499, 824, 998, 1996, 3992, 4429, 8858, 17716, 21457, 35432, 42914, 51397, 85828, 102794, 171656, 205588, 411176, 2210071, 4420142, 8840284, 17680568]

約数ペア:

[(1, 17680568), (2, 8840284), (4, 4420142), (8, 2210071), (43, 411176), (86, 205588), (103, 171656), (172, 102794), (206, 85828), (344, 51397), (412, 42914), (499, 35432), (824, 21457), (998, 17716), (1996, 8858), (3992, 4429)]