4247887

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^2$

素因数の和:127

約数の個数: 18

約数和(自身を含む): 5251704

約数和(自身を除く): 1003817

約数列:

[1, 7, 19, 41, 133, 287, 361, 779, 1681, 2527, 5453, 11767, 14801, 31939, 103607, 223573, 606841, 4247887]

約数ペア:

[(1, 4247887), (7, 606841), (19, 223573), (41, 103607), (133, 31939), (287, 14801), (361, 11767), (779, 5453), (1681, 2527)]