216551225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{18313}}^1$

素因数の和:18377

約数の個数: 24

約数和(自身を含む): 299763552

約数和(自身を除く): 83212327

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 11825, 18313, 91565, 201443, 457825, 787459, 1007215, 3937295, 5036075, 8662049, 19686475, 43310245, 216551225]

約数ペア:

[(1, 216551225), (5, 43310245), (11, 19686475), (25, 8662049), (43, 5036075), (55, 3937295), (215, 1007215), (275, 787459), (473, 457825), (1075, 201443), (2365, 91565), (11825, 18313)]