527831381

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 729600000

約数和(自身を除く): 201768619

約数列:

[1, 7, 11, 19, 37, 49, 77, 133, 199, 209, 259, 343, 407, 539, 703, 931, 1393, 1463, 1813, 2189, 2849, 3773, 3781, 4921, 6517, 7363, 7733, 9751, 10241, 12691, 15323, 19943, 26467, 34447, 41591, 51541, 54131, 68257, 71687, 80993, 107261, 139601, 139897, 185269, 241129, 291137, 360787, 378917, 566951, 750827, 979279, 1296883, 1538867, 2037959, 2525509, 2652419, 3968657, 6854953, 10772069, 14265713, 27780599, 47984671, 75404483, 527831381]

約数ペア:

[(1, 527831381), (7, 75404483), (11, 47984671), (19, 27780599), (37, 14265713), (49, 10772069), (77, 6854953), (133, 3968657), (199, 2652419), (209, 2525509), (259, 2037959), (343, 1538867), (407, 1296883), (539, 979279), (703, 750827), (931, 566951), (1393, 378917), (1463, 360787), (1813, 291137), (2189, 241129), (2849, 185269), (3773, 139897), (3781, 139601), (4921, 107261), (6517, 80993), (7363, 71687), (7733, 68257), (9751, 54131), (10241, 51541), (12691, 41591), (15323, 34447), (19943, 26467)]