890261518

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1\times {\mathrm{7219}}^1$

素因数の和:7731

約数の個数: 16

約数和(自身を含む): 1346645520

約数和(自身を除く): 456384002

約数列:

[1, 2, 197, 313, 394, 626, 7219, 14438, 61661, 123322, 1422143, 2259547, 2844286, 4519094, 445130759, 890261518]

約数ペア:

[(1, 890261518), (2, 445130759), (197, 4519094), (313, 2844286), (394, 2259547), (626, 1422143), (7219, 123322), (14438, 61661)]