212505696

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 656313840

約数和(自身を除く): 443808144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 211, 234, 269, 288, 312, 416, 422, 468, 538, 624, 633, 807, 844, 936, 1076, 1248, 1266, 1614, 1688, 1872, 1899, 2152, 2421, 2532, 2743, 3228, 3376, 3497, 3744, 3798, 4304, 4842, 5064, 5486, 6456, 6752, 6994, 7596, 8229, 8608, 9684, 10128, 10491, 10972, 12912, 13988, 15192, 16458, 19368, 20256, 20982, 21944, 24687, 25824, 27976, 30384, 31473, 32916, 38736, 41964, 43888, 49374, 55952, 56759, 60768, 62946, 65832, 77472, 83928, 87776, 98748, 111904, 113518, 125892, 131664, 167856, 170277, 197496, 227036, 251784, 263328, 335712, 340554, 394992, 454072, 503568, 510831, 681108, 737867, 789984, 908144, 1007136, 1021662, 1362216, 1475734, 1816288, 2043324, 2213601, 2724432, 2951468, 4086648, 4427202, 5448864, 5902936, 6640803, 8173296, 8854404, 11805872, 13281606, 16346592, 17708808, 23611744, 26563212, 35417616, 53126424, 70835232, 106252848, 212505696]

約数ペア:

[(1, 212505696), (2, 106252848), (3, 70835232), (4, 53126424), (6, 35417616), (8, 26563212), (9, 23611744), (12, 17708808), (13, 16346592), (16, 13281606), (18, 11805872), (24, 8854404), (26, 8173296), (32, 6640803), (36, 5902936), (39, 5448864), (48, 4427202), (52, 4086648), (72, 2951468), (78, 2724432), (96, 2213601), (104, 2043324), (117, 1816288), (144, 1475734), (156, 1362216), (208, 1021662), (211, 1007136), (234, 908144), (269, 789984), (288, 737867), (312, 681108), (416, 510831), (422, 503568), (468, 454072), (538, 394992), (624, 340554), (633, 335712), (807, 263328), (844, 251784), (936, 227036), (1076, 197496), (1248, 170277), (1266, 167856), (1614, 131664), (1688, 125892), (1872, 113518), (1899, 111904), (2152, 98748), (2421, 87776), (2532, 83928), (2743, 77472), (3228, 65832), (3376, 62946), (3497, 60768), (3744, 56759), (3798, 55952), (4304, 49374), (4842, 43888), (5064, 41964), (5486, 38736), (6456, 32916), (6752, 31473), (6994, 30384), (7596, 27976), (8229, 25824), (8608, 24687), (9684, 21944), (10128, 20982), (10491, 20256), (10972, 19368), (12912, 16458), (13988, 15192)]