389627623

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 539688960

約数和(自身を除く): 150061337

約数列:

[1, 7, 11, 19, 31, 71, 77, 121, 133, 209, 217, 341, 497, 589, 781, 847, 1331, 1349, 1463, 2201, 2299, 2387, 3751, 4123, 5467, 6479, 8591, 9317, 9443, 14839, 15407, 16093, 24211, 25289, 26257, 41261, 41819, 45353, 60137, 71269, 94501, 103873, 163229, 169477, 177023, 266321, 288827, 292733, 460009, 498883, 661507, 783959, 1142603, 1795519, 1864247, 2929531, 3220063, 5060099, 5487713, 12568633, 20506717, 35420693, 55661089, 389627623]

約数ペア:

[(1, 389627623), (7, 55661089), (11, 35420693), (19, 20506717), (31, 12568633), (71, 5487713), (77, 5060099), (121, 3220063), (133, 2929531), (209, 1864247), (217, 1795519), (341, 1142603), (497, 783959), (589, 661507), (781, 498883), (847, 460009), (1331, 292733), (1349, 288827), (1463, 266321), (2201, 177023), (2299, 169477), (2387, 163229), (3751, 103873), (4123, 94501), (5467, 71269), (6479, 60137), (8591, 45353), (9317, 41819), (9443, 41261), (14839, 26257), (15407, 25289), (16093, 24211)]