213042908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{56123}}^1$

素因数の和:56213

約数の個数: 24

約数和(自身を含む): 407011248

約数和(自身を除く): 193968340

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 56123, 112246, 224492, 729599, 1459198, 2918396, 4096979, 8193958, 16387916, 53260727, 106521454, 213042908]

約数ペア:

[(1, 213042908), (2, 106521454), (4, 53260727), (13, 16387916), (26, 8193958), (52, 4096979), (73, 2918396), (146, 1459198), (292, 729599), (949, 224492), (1898, 112246), (3796, 56123)]