398889887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 476720640

約数和(自身を除く): 77830753

約数列:

[1, 11, 17, 43, 113, 187, 439, 473, 731, 1243, 1921, 4829, 4859, 7463, 8041, 18877, 21131, 49607, 53449, 82093, 82603, 207647, 320909, 545677, 843319, 908633, 2133101, 3529999, 9276509, 23464111, 36262717, 398889887]

約数ペア:

[(1, 398889887), (11, 36262717), (17, 23464111), (43, 9276509), (113, 3529999), (187, 2133101), (439, 908633), (473, 843319), (731, 545677), (1243, 320909), (1921, 207647), (4829, 82603), (4859, 82093), (7463, 53449), (8041, 49607), (18877, 21131)]