31523072

素因数分解:

$2^8\times 7^3\times {\mathrm{359}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 73584000

約数和(自身を除く): 42060928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 359, 392, 448, 686, 718, 784, 896, 1372, 1436, 1568, 1792, 2513, 2744, 2872, 3136, 5026, 5488, 5744, 6272, 10052, 10976, 11488, 12544, 17591, 20104, 21952, 22976, 35182, 40208, 43904, 45952, 70364, 80416, 87808, 91904, 123137, 140728, 160832, 246274, 281456, 321664, 492548, 562912, 643328, 985096, 1125824, 1970192, 2251648, 3940384, 4503296, 7880768, 15761536, 31523072]

約数ペア:

[(1, 31523072), (2, 15761536), (4, 7880768), (7, 4503296), (8, 3940384), (14, 2251648), (16, 1970192), (28, 1125824), (32, 985096), (49, 643328), (56, 562912), (64, 492548), (98, 321664), (112, 281456), (128, 246274), (196, 160832), (224, 140728), (256, 123137), (343, 91904), (359, 87808), (392, 80416), (448, 70364), (686, 45952), (718, 43904), (784, 40208), (896, 35182), (1372, 22976), (1436, 21952), (1568, 20104), (1792, 17591), (2513, 12544), (2744, 11488), (2872, 10976), (3136, 10052), (5026, 6272), (5488, 5744)]