90191087

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 105753600

約数和(自身を除く): 15562513

約数列:

[1, 7, 71, 89, 497, 623, 2039, 6319, 14273, 44233, 144769, 181471, 1013383, 1270297, 12884441, 90191087]

約数ペア:

[(1, 90191087), (7, 12884441), (71, 1270297), (89, 1013383), (497, 181471), (623, 144769), (2039, 44233), (6319, 14273)]