131560394

素因数分解:

$2^1\times 7^4\times {\mathrm{27397}}^1$

素因数の和:27427

約数の個数: 20

約数和(自身を含む): 230225394

約数和(自身を除く): 98665000

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 27397, 54794, 191779, 383558, 1342453, 2684906, 9397171, 18794342, 65780197, 131560394]

約数ペア:

[(1, 131560394), (2, 65780197), (7, 18794342), (14, 9397171), (49, 2684906), (98, 1342453), (343, 383558), (686, 191779), (2401, 54794), (4802, 27397)]