289922969

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{2351}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 337182720

約数和(自身を除く): 47259751

約数列:

[1, 7, 79, 223, 553, 1561, 2351, 16457, 17617, 123319, 185729, 524273, 1300103, 3669911, 41417567, 289922969]

約数ペア:

[(1, 289922969), (7, 41417567), (79, 3669911), (223, 1300103), (553, 524273), (1561, 185729), (2351, 123319), (16457, 17617)]