81810806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{531239}}^1$

素因数の和:531259

約数の個数: 16

約数和(自身を含む): 152997120

約数和(自身を除く): 71186314

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 531239, 1062478, 3718673, 5843629, 7437346, 11687258, 40905403, 81810806]

約数ペア:

[(1, 81810806), (2, 40905403), (7, 11687258), (11, 7437346), (14, 5843629), (22, 3718673), (77, 1062478), (154, 531239)]