81258605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{5641}}^1$

素因数の和:5756

約数の個数: 16

約数和(自身を含む): 101285184

約数和(自身を除く): 20026579

約数列:

[1, 5, 43, 67, 215, 335, 2881, 5641, 14405, 28205, 242563, 377947, 1212815, 1889735, 16251721, 81258605]

約数ペア:

[(1, 81258605), (5, 16251721), (43, 1889735), (67, 1212815), (215, 377947), (335, 242563), (2881, 28205), (5641, 14405)]