217392112

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 493629120

約数和(自身を除く): 276237008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 113, 178, 193, 226, 356, 386, 452, 623, 712, 772, 791, 904, 1246, 1351, 1424, 1544, 1582, 1808, 2492, 2702, 3088, 3164, 4984, 5404, 6328, 9968, 10057, 10808, 12656, 17177, 20114, 21616, 21809, 34354, 40228, 43618, 68708, 70399, 80456, 87236, 120239, 137416, 140798, 152663, 160912, 174472, 240478, 274832, 281596, 305326, 348944, 480956, 563192, 610652, 961912, 1126384, 1221304, 1923824, 1941001, 2442608, 3882002, 7764004, 13587007, 15528008, 27174014, 31056016, 54348028, 108696056, 217392112]

約数ペア:

[(1, 217392112), (2, 108696056), (4, 54348028), (7, 31056016), (8, 27174014), (14, 15528008), (16, 13587007), (28, 7764004), (56, 3882002), (89, 2442608), (112, 1941001), (113, 1923824), (178, 1221304), (193, 1126384), (226, 961912), (356, 610652), (386, 563192), (452, 480956), (623, 348944), (712, 305326), (772, 281596), (791, 274832), (904, 240478), (1246, 174472), (1351, 160912), (1424, 152663), (1544, 140798), (1582, 137416), (1808, 120239), (2492, 87236), (2702, 80456), (3088, 70399), (3164, 68708), (4984, 43618), (5404, 40228), (6328, 34354), (9968, 21809), (10057, 21616), (10808, 20114), (12656, 17177)]