217499904

素因数分解:

$2^8\times 3^4\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 180

約数和(自身を含む): 687808044

約数和(自身を除く): 470308140

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, 192, 204, 216, 256, 272, 288, 306, 324, 384, 408, 432, 459, 544, 576, 612, 617, 648, 768, 816, 864, 918, 1088, 1152, 1224, 1234, 1296, 1377, 1632, 1728, 1836, 1851, 2176, 2304, 2448, 2468, 2592, 2754, 3264, 3456, 3672, 3702, 4352, 4896, 4936, 5184, 5508, 5553, 6528, 6912, 7344, 7404, 9792, 9872, 10368, 10489, 11016, 11106, 13056, 14688, 14808, 16659, 19584, 19744, 20736, 20978, 22032, 22212, 29376, 29616, 31467, 33318, 39168, 39488, 41956, 44064, 44424, 49977, 58752, 59232, 62934, 66636, 78976, 83912, 88128, 88848, 94401, 99954, 117504, 118464, 125868, 133272, 157952, 167824, 176256, 177696, 188802, 199908, 236928, 251736, 266544, 283203, 335648, 352512, 355392, 377604, 399816, 473856, 503472, 533088, 566406, 671296, 710784, 755208, 799632, 849609, 1006944, 1066176, 1132812, 1342592, 1421568, 1510416, 1599264, 1699218, 2013888, 2132352, 2265624, 2685184, 3020832, 3198528, 3398436, 4027776, 4264704, 4531248, 6041664, 6397056, 6796872, 8055552, 9062496, 12083328, 12794112, 13593744, 18124992, 24166656, 27187488, 36249984, 54374976, 72499968, 108749952, 217499904]

約数ペア:

[(1, 217499904), (2, 108749952), (3, 72499968), (4, 54374976), (6, 36249984), (8, 27187488), (9, 24166656), (12, 18124992), (16, 13593744), (17, 12794112), (18, 12083328), (24, 9062496), (27, 8055552), (32, 6796872), (34, 6397056), (36, 6041664), (48, 4531248), (51, 4264704), (54, 4027776), (64, 3398436), (68, 3198528), (72, 3020832), (81, 2685184), (96, 2265624), (102, 2132352), (108, 2013888), (128, 1699218), (136, 1599264), (144, 1510416), (153, 1421568), (162, 1342592), (192, 1132812), (204, 1066176), (216, 1006944), (256, 849609), (272, 799632), (288, 755208), (306, 710784), (324, 671296), (384, 566406), (408, 533088), (432, 503472), (459, 473856), (544, 399816), (576, 377604), (612, 355392), (617, 352512), (648, 335648), (768, 283203), (816, 266544), (864, 251736), (918, 236928), (1088, 199908), (1152, 188802), (1224, 177696), (1234, 176256), (1296, 167824), (1377, 157952), (1632, 133272), (1728, 125868), (1836, 118464), (1851, 117504), (2176, 99954), (2304, 94401), (2448, 88848), (2468, 88128), (2592, 83912), (2754, 78976), (3264, 66636), (3456, 62934), (3672, 59232), (3702, 58752), (4352, 49977), (4896, 44424), (4936, 44064), (5184, 41956), (5508, 39488), (5553, 39168), (6528, 33318), (6912, 31467), (7344, 29616), (7404, 29376), (9792, 22212), (9872, 22032), (10368, 20978), (10489, 20736), (11016, 19744), (11106, 19584), (13056, 16659), (14688, 14808)]