128843491

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{12953}}^1$

素因数の和:13003

約数の個数: 16

約数和(自身を含む): 155448000

約数和(自身を除く): 26604509

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 12953, 90671, 375637, 634697, 2629459, 4442879, 18406213, 128843491]

約数ペア:

[(1, 128843491), (7, 18406213), (29, 4442879), (49, 2629459), (203, 634697), (343, 375637), (1421, 90671), (9947, 12953)]