208821761

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28109}}^1$

素因数の和:28168

約数の個数: 16

約数和(自身を含む): 242870400

約数和(自身を除く): 34048639

約数列:

[1, 17, 19, 23, 323, 391, 437, 7429, 28109, 477853, 534071, 646507, 9079207, 10990619, 12283633, 208821761]

約数ペア:

[(1, 208821761), (17, 12283633), (19, 10990619), (23, 9079207), (323, 646507), (391, 534071), (437, 477853), (7429, 28109)]