778800568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 1911369600

約数和(自身を除く): 1132569032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 37, 52, 56, 58, 74, 91, 104, 116, 148, 182, 203, 232, 259, 296, 364, 377, 406, 481, 518, 728, 754, 812, 962, 997, 1036, 1073, 1508, 1624, 1924, 1994, 2072, 2146, 2639, 3016, 3367, 3848, 3988, 4292, 5278, 6734, 6979, 7511, 7976, 8584, 10556, 12961, 13468, 13949, 13958, 15022, 21112, 25922, 26936, 27898, 27916, 28913, 30044, 36889, 51844, 55796, 55832, 57826, 60088, 73778, 90727, 97643, 103688, 111592, 115652, 147556, 181454, 195286, 202391, 231304, 258223, 295112, 362908, 375869, 390572, 404782, 479557, 516446, 725816, 751738, 781144, 809564, 959114, 1032892, 1069781, 1503476, 1619128, 1918228, 2065784, 2139562, 2631083, 3006952, 3356899, 3836456, 4279124, 5262166, 6713798, 7488467, 8558248, 10524332, 13427596, 13907153, 14976934, 21048664, 26855192, 27814306, 29953868, 55628612, 59907736, 97350071, 111257224, 194700142, 389400284, 778800568]

約数ペア:

[(1, 778800568), (2, 389400284), (4, 194700142), (7, 111257224), (8, 97350071), (13, 59907736), (14, 55628612), (26, 29953868), (28, 27814306), (29, 26855192), (37, 21048664), (52, 14976934), (56, 13907153), (58, 13427596), (74, 10524332), (91, 8558248), (104, 7488467), (116, 6713798), (148, 5262166), (182, 4279124), (203, 3836456), (232, 3356899), (259, 3006952), (296, 2631083), (364, 2139562), (377, 2065784), (406, 1918228), (481, 1619128), (518, 1503476), (728, 1069781), (754, 1032892), (812, 959114), (962, 809564), (997, 781144), (1036, 751738), (1073, 725816), (1508, 516446), (1624, 479557), (1924, 404782), (1994, 390572), (2072, 375869), (2146, 362908), (2639, 295112), (3016, 258223), (3367, 231304), (3848, 202391), (3988, 195286), (4292, 181454), (5278, 147556), (6734, 115652), (6979, 111592), (7511, 103688), (7976, 97643), (8584, 90727), (10556, 73778), (12961, 60088), (13468, 57826), (13949, 55832), (13958, 55796), (15022, 51844), (21112, 36889), (25922, 30044), (26936, 28913), (27898, 27916)]