90092009

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{10321}}^1$

素因数の和:10400

約数の個数: 16

約数和(自身を含む): 109000320

約数和(自身を除く): 18908311

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 10321, 72247, 299309, 443803, 2095163, 3106621, 12870287, 90092009]

約数ペア:

[(1, 90092009), (7, 12870287), (29, 3106621), (43, 2095163), (203, 443803), (301, 299309), (1247, 72247), (8729, 10321)]