688228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 1323000

約数和(自身を除く): 634772

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 349, 493, 698, 986, 1396, 1972, 5933, 10121, 11866, 20242, 23732, 40484, 172057, 344114, 688228]

約数ペア:

[(1, 688228), (2, 344114), (4, 172057), (17, 40484), (29, 23732), (34, 20242), (58, 11866), (68, 10121), (116, 5933), (349, 1972), (493, 1396), (698, 986)]