123564889

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{1229}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 144529920

約数和(自身を除く): 20965031

約数列:

[1, 7, 53, 271, 371, 1229, 1897, 8603, 14363, 65137, 100541, 333059, 455959, 2331413, 17652127, 123564889]

約数ペア:

[(1, 123564889), (7, 17652127), (53, 2331413), (271, 455959), (371, 333059), (1229, 100541), (1897, 65137), (8603, 14363)]