256602775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71777}}^1$

素因数の和:71811

約数の個数: 24

約数和(自身を含む): 373819824

約数和(自身を除く): 117217049

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 71777, 358885, 789547, 933101, 1794425, 3947735, 4665505, 10264111, 19738675, 23327525, 51320555, 256602775]

約数ペア:

[(1, 256602775), (5, 51320555), (11, 23327525), (13, 19738675), (25, 10264111), (55, 4665505), (65, 3947735), (143, 1794425), (275, 933101), (325, 789547), (715, 358885), (3575, 71777)]