281229816

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 829440000

約数和(自身を除く): 548210184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 127, 147, 168, 196, 254, 269, 294, 343, 381, 392, 508, 538, 588, 686, 762, 807, 889, 1016, 1029, 1076, 1176, 1372, 1524, 1614, 1778, 1883, 2058, 2152, 2667, 2744, 3048, 3228, 3556, 3766, 4116, 5334, 5649, 6223, 6456, 7112, 7532, 8232, 10668, 11298, 12446, 13181, 15064, 18669, 21336, 22596, 24892, 26362, 34163, 37338, 39543, 43561, 45192, 49784, 52724, 68326, 74676, 79086, 87122, 92267, 102489, 105448, 130683, 136652, 149352, 158172, 174244, 184534, 204978, 239141, 261366, 273304, 276801, 316344, 348488, 369068, 409956, 478282, 522732, 553602, 717423, 738136, 819912, 956564, 1045464, 1107204, 1434846, 1673987, 1913128, 2214408, 2869692, 3347974, 5021961, 5739384, 6695948, 10043922, 11717909, 13391896, 20087844, 23435818, 35153727, 40175688, 46871636, 70307454, 93743272, 140614908, 281229816]

約数ペア:

[(1, 281229816), (2, 140614908), (3, 93743272), (4, 70307454), (6, 46871636), (7, 40175688), (8, 35153727), (12, 23435818), (14, 20087844), (21, 13391896), (24, 11717909), (28, 10043922), (42, 6695948), (49, 5739384), (56, 5021961), (84, 3347974), (98, 2869692), (127, 2214408), (147, 1913128), (168, 1673987), (196, 1434846), (254, 1107204), (269, 1045464), (294, 956564), (343, 819912), (381, 738136), (392, 717423), (508, 553602), (538, 522732), (588, 478282), (686, 409956), (762, 369068), (807, 348488), (889, 316344), (1016, 276801), (1029, 273304), (1076, 261366), (1176, 239141), (1372, 204978), (1524, 184534), (1614, 174244), (1778, 158172), (1883, 149352), (2058, 136652), (2152, 130683), (2667, 105448), (2744, 102489), (3048, 92267), (3228, 87122), (3556, 79086), (3766, 74676), (4116, 68326), (5334, 52724), (5649, 49784), (6223, 45192), (6456, 43561), (7112, 39543), (7532, 37338), (8232, 34163), (10668, 26362), (11298, 24892), (12446, 22596), (13181, 21336), (15064, 18669)]