28798728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 87333120

約数和(自身を除く): 58534392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 41, 42, 56, 74, 82, 84, 111, 113, 123, 148, 164, 168, 222, 226, 246, 259, 287, 296, 328, 339, 444, 452, 492, 518, 574, 678, 777, 791, 861, 888, 904, 984, 1036, 1148, 1356, 1517, 1554, 1582, 1722, 2072, 2296, 2373, 2712, 3034, 3108, 3164, 3444, 4181, 4551, 4633, 4746, 6068, 6216, 6328, 6888, 8362, 9102, 9266, 9492, 10619, 12136, 12543, 13899, 16724, 18204, 18532, 18984, 21238, 25086, 27798, 29267, 31857, 32431, 33448, 36408, 37064, 42476, 50172, 55596, 58534, 63714, 64862, 84952, 87801, 97293, 100344, 111192, 117068, 127428, 129724, 171421, 175602, 194586, 234136, 254856, 259448, 342842, 351204, 389172, 514263, 685684, 702408, 778344, 1028526, 1199947, 1371368, 2057052, 2399894, 3599841, 4114104, 4799788, 7199682, 9599576, 14399364, 28798728]

約数ペア:

[(1, 28798728), (2, 14399364), (3, 9599576), (4, 7199682), (6, 4799788), (7, 4114104), (8, 3599841), (12, 2399894), (14, 2057052), (21, 1371368), (24, 1199947), (28, 1028526), (37, 778344), (41, 702408), (42, 685684), (56, 514263), (74, 389172), (82, 351204), (84, 342842), (111, 259448), (113, 254856), (123, 234136), (148, 194586), (164, 175602), (168, 171421), (222, 129724), (226, 127428), (246, 117068), (259, 111192), (287, 100344), (296, 97293), (328, 87801), (339, 84952), (444, 64862), (452, 63714), (492, 58534), (518, 55596), (574, 50172), (678, 42476), (777, 37064), (791, 36408), (861, 33448), (888, 32431), (904, 31857), (984, 29267), (1036, 27798), (1148, 25086), (1356, 21238), (1517, 18984), (1554, 18532), (1582, 18204), (1722, 16724), (2072, 13899), (2296, 12543), (2373, 12136), (2712, 10619), (3034, 9492), (3108, 9266), (3164, 9102), (3444, 8362), (4181, 6888), (4551, 6328), (4633, 6216), (4746, 6068)]