390389938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1249}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 643950000

約数和(自身を除く): 253560062

約数列:

[1, 2, 17, 29, 34, 58, 317, 493, 634, 986, 1249, 2498, 5389, 9193, 10778, 18386, 21233, 36221, 42466, 72442, 156281, 312562, 395933, 615757, 791866, 1231514, 6730861, 11482057, 13461722, 22964114, 195194969, 390389938]

約数ペア:

[(1, 390389938), (2, 195194969), (17, 22964114), (29, 13461722), (34, 11482057), (58, 6730861), (317, 1231514), (493, 791866), (634, 615757), (986, 395933), (1249, 312562), (2498, 156281), (5389, 72442), (9193, 42466), (10778, 36221), (18386, 21233)]