205123316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{6599}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 378840000

約数和(自身を除く): 173716684

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 6599, 7771, 13198, 15542, 26396, 31084, 125381, 250762, 501524, 2698991, 5397982, 10795964, 51280829, 102561658, 205123316]

約数ペア:

[(1, 205123316), (2, 102561658), (4, 51280829), (19, 10795964), (38, 5397982), (76, 2698991), (409, 501524), (818, 250762), (1636, 125381), (6599, 31084), (7771, 26396), (13198, 15542)]