660788254

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1\times {\mathrm{2081}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 1165853376

約数和(自身を除く): 505065122

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 613, 1226, 2081, 4162, 4291, 8582, 14567, 22681, 29134, 45362, 76997, 153994, 158767, 317534, 538979, 1077958, 1275653, 2551306, 8929571, 17859142, 47199161, 94398322, 330394127, 660788254]

約数ペア:

[(1, 660788254), (2, 330394127), (7, 94398322), (14, 47199161), (37, 17859142), (74, 8929571), (259, 2551306), (518, 1275653), (613, 1077958), (1226, 538979), (2081, 317534), (4162, 158767), (4291, 153994), (8582, 76997), (14567, 45362), (22681, 29134)]