638897956

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 1235203200

約数和(自身を除く): 596305244

約数列:

[1, 2, 4, 23, 29, 43, 46, 58, 86, 92, 116, 172, 667, 989, 1247, 1334, 1978, 2494, 2668, 3956, 4988, 5569, 11138, 22276, 28681, 57362, 114724, 128087, 161501, 239467, 256174, 323002, 478934, 512348, 646004, 957868, 3714523, 5507741, 6944543, 7429046, 11015482, 13889086, 14858092, 22030964, 27778172, 159724489, 319448978, 638897956]

約数ペア:

[(1, 638897956), (2, 319448978), (4, 159724489), (23, 27778172), (29, 22030964), (43, 14858092), (46, 13889086), (58, 11015482), (86, 7429046), (92, 6944543), (116, 5507741), (172, 3714523), (667, 957868), (989, 646004), (1247, 512348), (1334, 478934), (1978, 323002), (2494, 256174), (2668, 239467), (3956, 161501), (4988, 128087), (5569, 114724), (11138, 57362), (22276, 28681)]