389625292

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{55439}}^1$

素因数の和:55701

約数の個数: 24

約数和(自身を含む): 782369280

約数和(自身を除く): 392743988

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 55439, 110878, 221756, 388073, 776146, 1552292, 13915189, 27830378, 55660756, 97406323, 194812646, 389625292]

約数ペア:

[(1, 389625292), (2, 194812646), (4, 97406323), (7, 55660756), (14, 27830378), (28, 13915189), (251, 1552292), (502, 776146), (1004, 388073), (1757, 221756), (3514, 110878), (7028, 55439)]