678287792

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1187

約数の個数: 120

約数和(自身を含む): 1674861552

約数和(自身を除く): 996573760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 61, 91, 98, 104, 112, 122, 182, 196, 208, 244, 364, 392, 427, 488, 637, 728, 784, 793, 854, 976, 1091, 1274, 1456, 1586, 1708, 2182, 2548, 2989, 3172, 3416, 4364, 5096, 5551, 5978, 6344, 6832, 7637, 8728, 10192, 11102, 11956, 12688, 14183, 15274, 17456, 22204, 23912, 28366, 30548, 38857, 44408, 47824, 53459, 56732, 61096, 66551, 77714, 88816, 99281, 106918, 113464, 122192, 133102, 155428, 198562, 213836, 226928, 266204, 310856, 397124, 427672, 465857, 532408, 621712, 694967, 794248, 855344, 865163, 931714, 1064816, 1389934, 1588496, 1730326, 1863428, 2779868, 3260999, 3460652, 3726856, 5559736, 6056141, 6521998, 6921304, 7453712, 11119472, 12112282, 13043996, 13842608, 24224564, 26087992, 42392987, 48449128, 52175984, 84785974, 96898256, 169571948, 339143896, 678287792]

約数ペア:

[(1, 678287792), (2, 339143896), (4, 169571948), (7, 96898256), (8, 84785974), (13, 52175984), (14, 48449128), (16, 42392987), (26, 26087992), (28, 24224564), (49, 13842608), (52, 13043996), (56, 12112282), (61, 11119472), (91, 7453712), (98, 6921304), (104, 6521998), (112, 6056141), (122, 5559736), (182, 3726856), (196, 3460652), (208, 3260999), (244, 2779868), (364, 1863428), (392, 1730326), (427, 1588496), (488, 1389934), (637, 1064816), (728, 931714), (784, 865163), (793, 855344), (854, 794248), (976, 694967), (1091, 621712), (1274, 532408), (1456, 465857), (1586, 427672), (1708, 397124), (2182, 310856), (2548, 266204), (2989, 226928), (3172, 213836), (3416, 198562), (4364, 155428), (5096, 133102), (5551, 122192), (5978, 113464), (6344, 106918), (6832, 99281), (7637, 88816), (8728, 77714), (10192, 66551), (11102, 61096), (11956, 56732), (12688, 53459), (14183, 47824), (15274, 44408), (17456, 38857), (22204, 30548), (23912, 28366)]