64908389

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 88865280

約数和(自身を除く): 23956891

約数列:

[1, 7, 13, 19, 31, 49, 91, 133, 173, 217, 247, 403, 589, 637, 931, 1211, 1519, 1729, 2249, 2821, 3287, 4123, 5363, 7657, 8477, 12103, 15743, 19747, 23009, 28861, 37541, 42731, 53599, 69719, 101897, 110201, 161063, 262787, 299117, 375193, 488033, 713279, 1324661, 2093819, 3416231, 4992953, 9272627, 64908389]

約数ペア:

[(1, 64908389), (7, 9272627), (13, 4992953), (19, 3416231), (31, 2093819), (49, 1324661), (91, 713279), (133, 488033), (173, 375193), (217, 299117), (247, 262787), (403, 161063), (589, 110201), (637, 101897), (931, 69719), (1211, 53599), (1519, 42731), (1729, 37541), (2249, 28861), (2821, 23009), (3287, 19747), (4123, 15743), (5363, 12103), (7657, 8477)]