31299968

素因数分解:

$2^7\times 7^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 72028320

約数和(自身を除く): 40728352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 193, 224, 362, 386, 448, 724, 772, 896, 1267, 1351, 1448, 1544, 2534, 2702, 2896, 3088, 5068, 5404, 5792, 6176, 10136, 10808, 11584, 12352, 20272, 21616, 23168, 24704, 34933, 40544, 43232, 69866, 81088, 86464, 139732, 162176, 172928, 244531, 279464, 489062, 558928, 978124, 1117856, 1956248, 2235712, 3912496, 4471424, 7824992, 15649984, 31299968]

約数ペア:

[(1, 31299968), (2, 15649984), (4, 7824992), (7, 4471424), (8, 3912496), (14, 2235712), (16, 1956248), (28, 1117856), (32, 978124), (56, 558928), (64, 489062), (112, 279464), (128, 244531), (181, 172928), (193, 162176), (224, 139732), (362, 86464), (386, 81088), (448, 69866), (724, 43232), (772, 40544), (896, 34933), (1267, 24704), (1351, 23168), (1448, 21616), (1544, 20272), (2534, 12352), (2702, 11584), (2896, 10808), (3088, 10136), (5068, 6176), (5404, 5792)]