204501868

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{1279}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 363847680

約数和(自身を除く): 159345812

約数列:

[1, 2, 4, 71, 142, 284, 563, 1126, 1279, 2252, 2558, 5116, 39973, 79946, 90809, 159892, 181618, 363236, 720077, 1440154, 2880308, 51125467, 102250934, 204501868]

約数ペア:

[(1, 204501868), (2, 102250934), (4, 51125467), (71, 2880308), (142, 1440154), (284, 720077), (563, 363236), (1126, 181618), (1279, 159892), (2252, 90809), (2558, 79946), (5116, 39973)]