9900128

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 22488480

約数和(自身を除く): 12588352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 229, 386, 458, 772, 916, 1351, 1544, 1603, 1832, 2702, 3088, 3206, 3664, 5404, 6176, 6412, 7328, 10808, 12824, 21616, 25648, 43232, 44197, 51296, 88394, 176788, 309379, 353576, 618758, 707152, 1237516, 1414304, 2475032, 4950064, 9900128]

約数ペア:

[(1, 9900128), (2, 4950064), (4, 2475032), (7, 1414304), (8, 1237516), (14, 707152), (16, 618758), (28, 353576), (32, 309379), (56, 176788), (112, 88394), (193, 51296), (224, 44197), (229, 43232), (386, 25648), (458, 21616), (772, 12824), (916, 10808), (1351, 7328), (1544, 6412), (1603, 6176), (1832, 5404), (2702, 3664), (3088, 3206)]