209218054

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{4397}}^1$

素因数の和:5079

約数の個数: 16

約数和(自身を含む): 322883568

約数和(自身を除く): 113665514

約数列:

[1, 2, 37, 74, 643, 1286, 4397, 8794, 23791, 47582, 162689, 325378, 2827271, 5654542, 104609027, 209218054]

約数ペア:

[(1, 209218054), (2, 104609027), (37, 5654542), (74, 2827271), (643, 325378), (1286, 162689), (4397, 47582), (8794, 23791)]