200521205

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 257585280

約数和(自身を除く): 57064075

約数列:

[1, 5, 17, 85, 151, 289, 755, 919, 1445, 2567, 4595, 12835, 15623, 43639, 78115, 138769, 218195, 265591, 693845, 1327955, 2359073, 11795365, 40104241, 200521205]

約数ペア:

[(1, 200521205), (5, 40104241), (17, 11795365), (85, 2359073), (151, 1327955), (289, 693845), (755, 265591), (919, 218195), (1445, 138769), (2567, 78115), (4595, 43639), (12835, 15623)]