81850391

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{5381}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 97651008

約数和(自身を除く): 15800617

約数列:

[1, 7, 41, 53, 287, 371, 2173, 5381, 15211, 37667, 220621, 285193, 1544347, 1996351, 11692913, 81850391]

約数ペア:

[(1, 81850391), (7, 11692913), (41, 1996351), (53, 1544347), (287, 285193), (371, 220621), (2173, 37667), (5381, 15211)]