81285442

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{53267}}^1$

素因数の和:53385

約数の個数: 16

約数和(自身を含む): 140627520

約数和(自身を除く): 59342078

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 53267, 106534, 372869, 745738, 5806103, 11612206, 40642721, 81285442]

約数ペア:

[(1, 81285442), (2, 40642721), (7, 11612206), (14, 5806103), (109, 745738), (218, 372869), (763, 106534), (1526, 53267)]