16386139

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 21542400

約数和(自身を除く): 5156261

約数列:

[1, 7, 11, 43, 49, 77, 101, 301, 343, 473, 539, 707, 1111, 2107, 3311, 3773, 4343, 4949, 7777, 14749, 23177, 30401, 34643, 47773, 54439, 162239, 212807, 334411, 381073, 1489649, 2340877, 16386139]

約数ペア:

[(1, 16386139), (7, 2340877), (11, 1489649), (43, 381073), (49, 334411), (77, 212807), (101, 162239), (301, 54439), (343, 47773), (473, 34643), (539, 30401), (707, 23177), (1111, 14749), (2107, 7777), (3311, 4949), (3773, 4343)]