17903872

素因数分解:

$2^8\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 41664896

約数和(自身を除く): 23761024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 103, 112, 128, 194, 206, 224, 256, 388, 412, 448, 679, 721, 776, 824, 896, 1358, 1442, 1552, 1648, 1792, 2716, 2884, 3104, 3296, 5432, 5768, 6208, 6592, 9991, 10864, 11536, 12416, 13184, 19982, 21728, 23072, 24832, 26368, 39964, 43456, 46144, 69937, 79928, 86912, 92288, 139874, 159856, 173824, 184576, 279748, 319712, 559496, 639424, 1118992, 1278848, 2237984, 2557696, 4475968, 8951936, 17903872]

約数ペア:

[(1, 17903872), (2, 8951936), (4, 4475968), (7, 2557696), (8, 2237984), (14, 1278848), (16, 1118992), (28, 639424), (32, 559496), (56, 319712), (64, 279748), (97, 184576), (103, 173824), (112, 159856), (128, 139874), (194, 92288), (206, 86912), (224, 79928), (256, 69937), (388, 46144), (412, 43456), (448, 39964), (679, 26368), (721, 24832), (776, 23072), (824, 21728), (896, 19982), (1358, 13184), (1442, 12416), (1552, 11536), (1648, 10864), (1792, 9991), (2716, 6592), (2884, 6208), (3104, 5768), (3296, 5432)]