289556818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{21893}}^1$

素因数の和:22301

約数の個数: 16

約数和(自身を含む): 461087640

約数和(自身を除く): 171530822

約数列:

[1, 2, 17, 34, 389, 778, 6613, 13226, 21893, 43786, 372181, 744362, 8516377, 17032754, 144778409, 289556818]

約数ペア:

[(1, 289556818), (2, 144778409), (17, 17032754), (34, 8516377), (389, 744362), (778, 372181), (6613, 43786), (13226, 21893)]