256644648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^2$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 798868980

約数和(自身を除く): 542224332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 127, 136, 153, 156, 204, 221, 234, 254, 306, 312, 381, 408, 442, 468, 508, 612, 663, 762, 884, 936, 1016, 1143, 1224, 1326, 1524, 1651, 1768, 1989, 2159, 2286, 2652, 3048, 3302, 3978, 4318, 4572, 4953, 5304, 6477, 6604, 7956, 8636, 9144, 9906, 12954, 13208, 14859, 15912, 16129, 17272, 19431, 19812, 25908, 28067, 29718, 32258, 38862, 39624, 48387, 51816, 56134, 59436, 64516, 77724, 84201, 96774, 112268, 118872, 129032, 145161, 155448, 168402, 193548, 209677, 224536, 252603, 274193, 290322, 336804, 387096, 419354, 505206, 548386, 580644, 629031, 673608, 822579, 838708, 1010412, 1096772, 1161288, 1258062, 1645158, 1677416, 1887093, 2020824, 2193544, 2467737, 2516124, 3290316, 3564509, 3774186, 4935474, 5032248, 6580632, 7129018, 7548372, 9870948, 10693527, 14258036, 15096744, 19741896, 21387054, 28516072, 32080581, 42774108, 64161162, 85548216, 128322324, 256644648]

約数ペア:

[(1, 256644648), (2, 128322324), (3, 85548216), (4, 64161162), (6, 42774108), (8, 32080581), (9, 28516072), (12, 21387054), (13, 19741896), (17, 15096744), (18, 14258036), (24, 10693527), (26, 9870948), (34, 7548372), (36, 7129018), (39, 6580632), (51, 5032248), (52, 4935474), (68, 3774186), (72, 3564509), (78, 3290316), (102, 2516124), (104, 2467737), (117, 2193544), (127, 2020824), (136, 1887093), (153, 1677416), (156, 1645158), (204, 1258062), (221, 1161288), (234, 1096772), (254, 1010412), (306, 838708), (312, 822579), (381, 673608), (408, 629031), (442, 580644), (468, 548386), (508, 505206), (612, 419354), (663, 387096), (762, 336804), (884, 290322), (936, 274193), (1016, 252603), (1143, 224536), (1224, 209677), (1326, 193548), (1524, 168402), (1651, 155448), (1768, 145161), (1989, 129032), (2159, 118872), (2286, 112268), (2652, 96774), (3048, 84201), (3302, 77724), (3978, 64516), (4318, 59436), (4572, 56134), (4953, 51816), (5304, 48387), (6477, 39624), (6604, 38862), (7956, 32258), (8636, 29718), (9144, 28067), (9906, 25908), (12954, 19812), (13208, 19431), (14859, 17272), (15912, 16129)]