12988969

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 16547328

約数和(自身を除く): 3558359

約数列:

[1, 7, 17, 31, 49, 119, 217, 503, 527, 833, 1519, 3521, 3689, 8551, 15593, 24647, 25823, 59857, 109151, 265081, 418999, 764057, 1855567, 12988969]

約数ペア:

[(1, 12988969), (7, 1855567), (17, 764057), (31, 418999), (49, 265081), (119, 109151), (217, 59857), (503, 25823), (527, 24647), (833, 15593), (1519, 8551), (3521, 3689)]