90581939

素因数分解:

$7^2\times {\mathrm{421}}^1\times {\mathrm{4391}}^1$

素因数の和:4826

約数の個数: 12

約数和(自身を含む): 105645168

約数和(自身を除く): 15063229

約数列:

[1, 7, 49, 421, 2947, 4391, 20629, 30737, 215159, 1848611, 12940277, 90581939]

約数ペア:

[(1, 90581939), (7, 12940277), (49, 1848611), (421, 215159), (2947, 30737), (4391, 20629)]