209436208

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{103069}}^1$

素因数の和:103204

約数の個数: 20

約数和(自身を含む): 408981760

約数和(自身を除く): 199545552

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 103069, 206138, 412276, 824552, 1649104, 13089763, 26179526, 52359052, 104718104, 209436208]

約数ペア:

[(1, 209436208), (2, 104718104), (4, 52359052), (8, 26179526), (16, 13089763), (127, 1649104), (254, 824552), (508, 412276), (1016, 206138), (2032, 103069)]