218645728

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 544610304

約数和(自身を除く): 325964576

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 37, 46, 56, 62, 74, 92, 112, 124, 148, 161, 184, 217, 224, 248, 259, 296, 322, 368, 434, 496, 518, 592, 644, 713, 736, 851, 868, 992, 1036, 1147, 1184, 1288, 1369, 1426, 1702, 1736, 2072, 2294, 2576, 2738, 2852, 3404, 3472, 4144, 4588, 4991, 5152, 5476, 5704, 5957, 6808, 6944, 8029, 8288, 9176, 9583, 9982, 10952, 11408, 11914, 13616, 16058, 18352, 19166, 19964, 21904, 22816, 23828, 26381, 27232, 31487, 32116, 36704, 38332, 39928, 42439, 43808, 47656, 52762, 62974, 64232, 76664, 79856, 84878, 95312, 105524, 125948, 128464, 153328, 159712, 169756, 184667, 190624, 211048, 220409, 251896, 256928, 297073, 306656, 339512, 369334, 422096, 440818, 503792, 594146, 679024, 738668, 844192, 881636, 976097, 1007584, 1188292, 1358048, 1477336, 1763272, 1952194, 2376584, 2954672, 3526544, 3904388, 4753168, 5909344, 6832679, 7053088, 7808776, 9506336, 13665358, 15617552, 27330716, 31235104, 54661432, 109322864, 218645728]

約数ペア:

[(1, 218645728), (2, 109322864), (4, 54661432), (7, 31235104), (8, 27330716), (14, 15617552), (16, 13665358), (23, 9506336), (28, 7808776), (31, 7053088), (32, 6832679), (37, 5909344), (46, 4753168), (56, 3904388), (62, 3526544), (74, 2954672), (92, 2376584), (112, 1952194), (124, 1763272), (148, 1477336), (161, 1358048), (184, 1188292), (217, 1007584), (224, 976097), (248, 881636), (259, 844192), (296, 738668), (322, 679024), (368, 594146), (434, 503792), (496, 440818), (518, 422096), (592, 369334), (644, 339512), (713, 306656), (736, 297073), (851, 256928), (868, 251896), (992, 220409), (1036, 211048), (1147, 190624), (1184, 184667), (1288, 169756), (1369, 159712), (1426, 153328), (1702, 128464), (1736, 125948), (2072, 105524), (2294, 95312), (2576, 84878), (2738, 79856), (2852, 76664), (3404, 64232), (3472, 62974), (4144, 52762), (4588, 47656), (4991, 43808), (5152, 42439), (5476, 39928), (5704, 38332), (5957, 36704), (6808, 32116), (6944, 31487), (8029, 27232), (8288, 26381), (9176, 23828), (9583, 22816), (9982, 21904), (10952, 19964), (11408, 19166), (11914, 18352), (13616, 16058)]