217983168

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 168

約数和(自身を含む): 689536848

約数和(自身を除く): 471553680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 192, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 576, 624, 677, 688, 774, 832, 936, 1032, 1118, 1248, 1354, 1376, 1548, 1677, 1872, 2031, 2064, 2236, 2496, 2708, 2752, 3096, 3354, 3744, 4062, 4128, 4472, 5031, 5416, 6093, 6192, 6708, 7488, 8124, 8256, 8801, 8944, 10062, 10832, 12186, 12384, 13416, 16248, 17602, 17888, 20124, 21664, 24372, 24768, 26403, 26832, 29111, 32496, 35204, 35776, 40248, 43328, 48744, 52806, 53664, 58222, 64992, 70408, 79209, 80496, 87333, 97488, 105612, 107328, 116444, 129984, 140816, 158418, 160992, 174666, 194976, 211224, 232888, 261999, 281632, 316836, 321984, 349332, 378443, 389952, 422448, 465776, 523998, 563264, 633672, 698664, 756886, 844896, 931552, 1047996, 1135329, 1267344, 1397328, 1513772, 1689792, 1863104, 2095992, 2270658, 2534688, 2794656, 3027544, 3405987, 4191984, 4541316, 5069376, 5589312, 6055088, 6811974, 8383968, 9082632, 12110176, 13623948, 16767936, 18165264, 24220352, 27247896, 36330528, 54495792, 72661056, 108991584, 217983168]

約数ペア:

[(1, 217983168), (2, 108991584), (3, 72661056), (4, 54495792), (6, 36330528), (8, 27247896), (9, 24220352), (12, 18165264), (13, 16767936), (16, 13623948), (18, 12110176), (24, 9082632), (26, 8383968), (32, 6811974), (36, 6055088), (39, 5589312), (43, 5069376), (48, 4541316), (52, 4191984), (64, 3405987), (72, 3027544), (78, 2794656), (86, 2534688), (96, 2270658), (104, 2095992), (117, 1863104), (129, 1689792), (144, 1513772), (156, 1397328), (172, 1267344), (192, 1135329), (208, 1047996), (234, 931552), (258, 844896), (288, 756886), (312, 698664), (344, 633672), (387, 563264), (416, 523998), (468, 465776), (516, 422448), (559, 389952), (576, 378443), (624, 349332), (677, 321984), (688, 316836), (774, 281632), (832, 261999), (936, 232888), (1032, 211224), (1118, 194976), (1248, 174666), (1354, 160992), (1376, 158418), (1548, 140816), (1677, 129984), (1872, 116444), (2031, 107328), (2064, 105612), (2236, 97488), (2496, 87333), (2708, 80496), (2752, 79209), (3096, 70408), (3354, 64992), (3744, 58222), (4062, 53664), (4128, 52806), (4472, 48744), (5031, 43328), (5416, 40248), (6093, 35776), (6192, 35204), (6708, 32496), (7488, 29111), (8124, 26832), (8256, 26403), (8801, 24768), (8944, 24372), (10062, 21664), (10832, 20124), (12186, 17888), (12384, 17602), (13416, 16248)]