86891078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{19739}}^1$

素因数の和:19843

約数の個数: 16

約数和(自身を含む): 136442880

約数和(自身を除く): 49551802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 19739, 39478, 611909, 1223818, 1401469, 2802938, 43445539, 86891078]

約数ペア:

[(1, 86891078), (2, 43445539), (31, 2802938), (62, 1401469), (71, 1223818), (142, 611909), (2201, 39478), (4402, 19739)]