25431728

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 64629792

約数和(自身を除く): 39198064

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 37, 38, 56, 68, 74, 76, 112, 119, 133, 136, 148, 152, 238, 259, 266, 272, 296, 304, 323, 361, 476, 518, 532, 592, 629, 646, 703, 722, 952, 1036, 1064, 1258, 1292, 1406, 1444, 1904, 2072, 2128, 2261, 2516, 2527, 2584, 2812, 2888, 4144, 4403, 4522, 4921, 5032, 5054, 5168, 5624, 5776, 6137, 8806, 9044, 9842, 10064, 10108, 11248, 11951, 12274, 13357, 17612, 18088, 19684, 20216, 23902, 24548, 26714, 35224, 36176, 39368, 40432, 42959, 47804, 49096, 53428, 70448, 78736, 83657, 85918, 93499, 95608, 98192, 106856, 167314, 171836, 186998, 191216, 213712, 227069, 334628, 343672, 373996, 454138, 669256, 687344, 747992, 908276, 1338512, 1495984, 1589483, 1816552, 3178966, 3633104, 6357932, 12715864, 25431728]

約数ペア:

[(1, 25431728), (2, 12715864), (4, 6357932), (7, 3633104), (8, 3178966), (14, 1816552), (16, 1589483), (17, 1495984), (19, 1338512), (28, 908276), (34, 747992), (37, 687344), (38, 669256), (56, 454138), (68, 373996), (74, 343672), (76, 334628), (112, 227069), (119, 213712), (133, 191216), (136, 186998), (148, 171836), (152, 167314), (238, 106856), (259, 98192), (266, 95608), (272, 93499), (296, 85918), (304, 83657), (323, 78736), (361, 70448), (476, 53428), (518, 49096), (532, 47804), (592, 42959), (629, 40432), (646, 39368), (703, 36176), (722, 35224), (952, 26714), (1036, 24548), (1064, 23902), (1258, 20216), (1292, 19684), (1406, 18088), (1444, 17612), (1904, 13357), (2072, 12274), (2128, 11951), (2261, 11248), (2516, 10108), (2527, 10064), (2584, 9842), (2812, 9044), (2888, 8806), (4144, 6137), (4403, 5776), (4522, 5624), (4921, 5168), (5032, 5054)]