28855205

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 38755680

約数和(自身を除く): 9900475

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 1051, 1445, 1615, 5255, 5491, 17867, 19969, 27455, 89335, 99845, 303739, 339473, 1518695, 1697365, 5771041, 28855205]

約数ペア:

[(1, 28855205), (5, 5771041), (17, 1697365), (19, 1518695), (85, 339473), (95, 303739), (289, 99845), (323, 89335), (1051, 27455), (1445, 19969), (1615, 17867), (5255, 5491)]