198153872

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 450328320

約数和(自身を除く): 252174448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 103, 112, 178, 193, 206, 356, 386, 412, 623, 712, 721, 772, 824, 1246, 1351, 1424, 1442, 1544, 1648, 2492, 2702, 2884, 3088, 4984, 5404, 5768, 9167, 9968, 10808, 11536, 17177, 18334, 19879, 21616, 34354, 36668, 39758, 64169, 68708, 73336, 79516, 120239, 128338, 137416, 139153, 146672, 159032, 240478, 256676, 274832, 278306, 318064, 480956, 513352, 556612, 961912, 1026704, 1113224, 1769231, 1923824, 2226448, 3538462, 7076924, 12384617, 14153848, 24769234, 28307696, 49538468, 99076936, 198153872]

約数ペア:

[(1, 198153872), (2, 99076936), (4, 49538468), (7, 28307696), (8, 24769234), (14, 14153848), (16, 12384617), (28, 7076924), (56, 3538462), (89, 2226448), (103, 1923824), (112, 1769231), (178, 1113224), (193, 1026704), (206, 961912), (356, 556612), (386, 513352), (412, 480956), (623, 318064), (712, 278306), (721, 274832), (772, 256676), (824, 240478), (1246, 159032), (1351, 146672), (1424, 139153), (1442, 137416), (1544, 128338), (1648, 120239), (2492, 79516), (2702, 73336), (2884, 68708), (3088, 64169), (4984, 39758), (5404, 36668), (5768, 34354), (9167, 21616), (9968, 19879), (10808, 18334), (11536, 17177)]