178123428

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 544299840

約数和(自身を除く): 366176412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 97, 98, 108, 126, 147, 189, 194, 196, 252, 291, 294, 347, 378, 388, 441, 582, 588, 679, 694, 756, 873, 882, 1041, 1164, 1323, 1358, 1388, 1746, 1764, 2037, 2082, 2429, 2619, 2646, 2716, 3123, 3492, 4074, 4164, 4753, 4858, 5238, 5292, 6111, 6246, 7287, 8148, 9369, 9506, 9716, 10476, 12222, 12492, 14259, 14574, 17003, 18333, 18738, 19012, 21861, 24444, 28518, 29148, 33659, 34006, 36666, 37476, 42777, 43722, 51009, 57036, 65583, 67318, 68012, 73332, 85554, 87444, 100977, 102018, 128331, 131166, 134636, 153027, 171108, 201954, 204036, 235613, 256662, 262332, 302931, 306054, 403908, 459081, 471226, 513324, 605862, 612108, 706839, 908793, 918162, 942452, 1211724, 1413678, 1649291, 1817586, 1836324, 2120517, 2827356, 3298582, 3635172, 4241034, 4947873, 6361551, 6597164, 8482068, 9895746, 12723102, 14843619, 19791492, 25446204, 29687238, 44530857, 59374476, 89061714, 178123428]

約数ペア:

[(1, 178123428), (2, 89061714), (3, 59374476), (4, 44530857), (6, 29687238), (7, 25446204), (9, 19791492), (12, 14843619), (14, 12723102), (18, 9895746), (21, 8482068), (27, 6597164), (28, 6361551), (36, 4947873), (42, 4241034), (49, 3635172), (54, 3298582), (63, 2827356), (84, 2120517), (97, 1836324), (98, 1817586), (108, 1649291), (126, 1413678), (147, 1211724), (189, 942452), (194, 918162), (196, 908793), (252, 706839), (291, 612108), (294, 605862), (347, 513324), (378, 471226), (388, 459081), (441, 403908), (582, 306054), (588, 302931), (679, 262332), (694, 256662), (756, 235613), (873, 204036), (882, 201954), (1041, 171108), (1164, 153027), (1323, 134636), (1358, 131166), (1388, 128331), (1746, 102018), (1764, 100977), (2037, 87444), (2082, 85554), (2429, 73332), (2619, 68012), (2646, 67318), (2716, 65583), (3123, 57036), (3492, 51009), (4074, 43722), (4164, 42777), (4753, 37476), (4858, 36666), (5238, 34006), (5292, 33659), (6111, 29148), (6246, 28518), (7287, 24444), (8148, 21861), (9369, 19012), (9506, 18738), (9716, 18333), (10476, 17003), (12222, 14574), (12492, 14259)]