2558636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 4790016

約数和(自身を除く): 2231380

約数列:

[1, 2, 4, 17, 34, 68, 191, 197, 382, 394, 764, 788, 3247, 3349, 6494, 6698, 12988, 13396, 37627, 75254, 150508, 639659, 1279318, 2558636]

約数ペア:

[(1, 2558636), (2, 1279318), (4, 639659), (17, 150508), (34, 75254), (68, 37627), (191, 13396), (197, 12988), (382, 6698), (394, 6494), (764, 3349), (788, 3247)]