80719009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21881}}^1$

素因数の和:21936

約数の個数: 16

約数和(自身を含む): 100832256

約数和(自身を除く): 20113247

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 21881, 153167, 371977, 678311, 2603839, 4748177, 11531287, 80719009]

約数ペア:

[(1, 80719009), (7, 11531287), (17, 4748177), (31, 2603839), (119, 678311), (217, 371977), (527, 153167), (3689, 21881)]