71340269

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 104939520

約数和(自身を除く): 33599251

約数列:

[1, 7, 11, 13, 19, 31, 77, 91, 121, 133, 143, 209, 217, 247, 341, 403, 589, 847, 1001, 1331, 1463, 1573, 1729, 2299, 2387, 2717, 2821, 3751, 4123, 4433, 6479, 7657, 9317, 11011, 16093, 17303, 19019, 25289, 26257, 29887, 31031, 41261, 45353, 48763, 53599, 71269, 84227, 121121, 177023, 209209, 288827, 328757, 341341, 498883, 536393, 589589, 783959, 926497, 2301299, 3754751, 5487713, 6485479, 10191467, 71340269]

約数ペア:

[(1, 71340269), (7, 10191467), (11, 6485479), (13, 5487713), (19, 3754751), (31, 2301299), (77, 926497), (91, 783959), (121, 589589), (133, 536393), (143, 498883), (209, 341341), (217, 328757), (247, 288827), (341, 209209), (403, 177023), (589, 121121), (847, 84227), (1001, 71269), (1331, 53599), (1463, 48763), (1573, 45353), (1729, 41261), (2299, 31031), (2387, 29887), (2717, 26257), (2821, 25289), (3751, 19019), (4123, 17303), (4433, 16093), (6479, 11011), (7657, 9317)]