28729728

素因数分解:

$2^7\times 3^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 160

約数和(自身を含む): 91083960

約数和(自身を除く): 62354232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 128, 136, 144, 153, 162, 163, 192, 204, 216, 272, 288, 306, 324, 326, 384, 408, 432, 459, 489, 544, 576, 612, 648, 652, 816, 864, 918, 978, 1088, 1152, 1224, 1296, 1304, 1377, 1467, 1632, 1728, 1836, 1956, 2176, 2448, 2592, 2608, 2754, 2771, 2934, 3264, 3456, 3672, 3912, 4401, 4896, 5184, 5216, 5508, 5542, 5868, 6528, 7344, 7824, 8313, 8802, 9792, 10368, 10432, 11016, 11084, 11736, 13203, 14688, 15648, 16626, 17604, 19584, 20864, 22032, 22168, 23472, 24939, 26406, 29376, 31296, 33252, 35208, 44064, 44336, 46944, 49878, 52812, 58752, 62592, 66504, 70416, 74817, 88128, 88672, 93888, 99756, 105624, 133008, 140832, 149634, 176256, 177344, 187776, 199512, 211248, 224451, 266016, 281664, 299268, 354688, 399024, 422496, 448902, 532032, 563328, 598536, 798048, 844992, 897804, 1064064, 1197072, 1596096, 1689984, 1795608, 2394144, 3192192, 3591216, 4788288, 7182432, 9576576, 14364864, 28729728]

約数ペア:

[(1, 28729728), (2, 14364864), (3, 9576576), (4, 7182432), (6, 4788288), (8, 3591216), (9, 3192192), (12, 2394144), (16, 1795608), (17, 1689984), (18, 1596096), (24, 1197072), (27, 1064064), (32, 897804), (34, 844992), (36, 798048), (48, 598536), (51, 563328), (54, 532032), (64, 448902), (68, 422496), (72, 399024), (81, 354688), (96, 299268), (102, 281664), (108, 266016), (128, 224451), (136, 211248), (144, 199512), (153, 187776), (162, 177344), (163, 176256), (192, 149634), (204, 140832), (216, 133008), (272, 105624), (288, 99756), (306, 93888), (324, 88672), (326, 88128), (384, 74817), (408, 70416), (432, 66504), (459, 62592), (489, 58752), (544, 52812), (576, 49878), (612, 46944), (648, 44336), (652, 44064), (816, 35208), (864, 33252), (918, 31296), (978, 29376), (1088, 26406), (1152, 24939), (1224, 23472), (1296, 22168), (1304, 22032), (1377, 20864), (1467, 19584), (1632, 17604), (1728, 16626), (1836, 15648), (1956, 14688), (2176, 13203), (2448, 11736), (2592, 11084), (2608, 11016), (2754, 10432), (2771, 10368), (2934, 9792), (3264, 8802), (3456, 8313), (3672, 7824), (3912, 7344), (4401, 6528), (4896, 5868), (5184, 5542), (5216, 5508)]