1231900538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{63559}}^1$

素因数の和:64453

約数の個数: 16

約数和(自身を含む): 2018157120

約数和(自身を除く): 786256582

約数列:

[1, 2, 11, 22, 881, 1762, 9691, 19382, 63559, 127118, 699149, 1398298, 55995479, 111990958, 615950269, 1231900538]

約数ペア:

[(1, 1231900538), (2, 615950269), (11, 111990958), (22, 55995479), (881, 1398298), (1762, 699149), (9691, 127118), (19382, 63559)]