1028489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 1389888

約数和(自身を除く): 361399

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 361, 407, 703, 1463, 2527, 2849, 3971, 4921, 7733, 13357, 27797, 54131, 93499, 146927, 1028489]

約数ペア:

[(1, 1028489), (7, 146927), (11, 93499), (19, 54131), (37, 27797), (77, 13357), (133, 7733), (209, 4921), (259, 3971), (361, 2849), (407, 2527), (703, 1463)]