90405637

素因数分解:

$7^2\times {\mathrm{433}}^1\times {\mathrm{4261}}^1$

素因数の和:4708

約数の個数: 12

約数和(自身を含む): 105433356

約数和(自身を除く): 15027719

約数列:

[1, 7, 49, 433, 3031, 4261, 21217, 29827, 208789, 1845013, 12915091, 90405637]

約数ペア:

[(1, 90405637), (7, 12915091), (49, 1845013), (433, 208789), (3031, 29827), (4261, 21217)]