128087876

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{33391}}^1$

素因数の和:33539

約数の個数: 24

約数和(自身を含む): 258053376

約数和(自身を除く): 129965500

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 33391, 66782, 133564, 233737, 467474, 934948, 4574567, 9149134, 18298268, 32021969, 64043938, 128087876]

約数ペア:

[(1, 128087876), (2, 64043938), (4, 32021969), (7, 18298268), (14, 9149134), (28, 4574567), (137, 934948), (274, 467474), (548, 233737), (959, 133564), (1918, 66782), (3836, 33391)]