212280628

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{106781}}^1$

素因数の和:106863

約数の個数: 24

約数和(自身を含む): 430545024

約数和(自身を除く): 218264396

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 106781, 213562, 427124, 747467, 1494934, 2989868, 7581451, 15162902, 30325804, 53070157, 106140314, 212280628]

約数ペア:

[(1, 212280628), (2, 106140314), (4, 53070157), (7, 30325804), (14, 15162902), (28, 7581451), (71, 2989868), (142, 1494934), (284, 747467), (497, 427124), (994, 213562), (1988, 106781)]