278897814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 683635680

約数和(自身を除く): 404737866

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 73, 78, 87, 117, 146, 174, 219, 234, 261, 377, 438, 522, 563, 657, 754, 949, 1126, 1131, 1314, 1689, 1898, 2117, 2262, 2847, 3378, 3393, 4234, 5067, 5694, 6351, 6786, 7319, 8541, 10134, 12702, 14638, 16327, 17082, 19053, 21957, 27521, 32654, 38106, 41099, 43914, 48981, 55042, 65871, 82198, 82563, 97962, 123297, 131742, 146943, 165126, 212251, 246594, 247689, 293886, 369891, 424502, 495378, 534287, 636753, 739782, 1068574, 1191871, 1273506, 1602861, 1910259, 2383742, 3205722, 3575613, 3820518, 4808583, 7151226, 9617166, 10726839, 15494323, 21453678, 30988646, 46482969, 92965938, 139448907, 278897814]

約数ペア:

[(1, 278897814), (2, 139448907), (3, 92965938), (6, 46482969), (9, 30988646), (13, 21453678), (18, 15494323), (26, 10726839), (29, 9617166), (39, 7151226), (58, 4808583), (73, 3820518), (78, 3575613), (87, 3205722), (117, 2383742), (146, 1910259), (174, 1602861), (219, 1273506), (234, 1191871), (261, 1068574), (377, 739782), (438, 636753), (522, 534287), (563, 495378), (657, 424502), (754, 369891), (949, 293886), (1126, 247689), (1131, 246594), (1314, 212251), (1689, 165126), (1898, 146943), (2117, 131742), (2262, 123297), (2847, 97962), (3378, 82563), (3393, 82198), (4234, 65871), (5067, 55042), (5694, 48981), (6351, 43914), (6786, 41099), (7319, 38106), (8541, 32654), (10134, 27521), (12702, 21957), (14638, 19053), (16327, 17082)]