28073754

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 41115366

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 43, 46, 57, 69, 83, 86, 114, 129, 138, 166, 171, 207, 249, 258, 342, 387, 414, 437, 498, 747, 774, 817, 874, 989, 1311, 1494, 1577, 1634, 1909, 1978, 2451, 2622, 2967, 3154, 3569, 3818, 3933, 4731, 4902, 5727, 5934, 7138, 7353, 7866, 8901, 9462, 10707, 11454, 14193, 14706, 17181, 17802, 18791, 21414, 28386, 32121, 34362, 36271, 37582, 56373, 64242, 67811, 72542, 82087, 108813, 112746, 135622, 164174, 169119, 203433, 217626, 246261, 326439, 338238, 406866, 492522, 610299, 652878, 738783, 1220598, 1477566, 1559653, 3119306, 4678959, 9357918, 14036877, 28073754]

約数ペア:

[(1, 28073754), (2, 14036877), (3, 9357918), (6, 4678959), (9, 3119306), (18, 1559653), (19, 1477566), (23, 1220598), (38, 738783), (43, 652878), (46, 610299), (57, 492522), (69, 406866), (83, 338238), (86, 326439), (114, 246261), (129, 217626), (138, 203433), (166, 169119), (171, 164174), (207, 135622), (249, 112746), (258, 108813), (342, 82087), (387, 72542), (414, 67811), (437, 64242), (498, 56373), (747, 37582), (774, 36271), (817, 34362), (874, 32121), (989, 28386), (1311, 21414), (1494, 18791), (1577, 17802), (1634, 17181), (1909, 14706), (1978, 14193), (2451, 11454), (2622, 10707), (2967, 9462), (3154, 8901), (3569, 7866), (3818, 7353), (3933, 7138), (4731, 5934), (4902, 5727)]