42008978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{3889}}^1$

素因数の和:4393

約数の個数: 16

約数和(自身を含む): 68899680

約数和(自身を除く): 26890702

約数列:

[1, 2, 11, 22, 491, 982, 3889, 5401, 7778, 10802, 42779, 85558, 1909499, 3818998, 21004489, 42008978]

約数ペア:

[(1, 42008978), (2, 21004489), (11, 3818998), (22, 1909499), (491, 85558), (982, 42779), (3889, 10802), (5401, 7778)]