81337138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{1613}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 128603520

約数和(自身を除く): 47266382

約数列:

[1, 2, 19, 38, 1327, 1613, 2654, 3226, 25213, 30647, 50426, 61294, 2140451, 4280902, 40668569, 81337138]

約数ペア:

[(1, 81337138), (2, 40668569), (19, 4280902), (38, 2140451), (1327, 61294), (1613, 50426), (2654, 30647), (3226, 25213)]