26991218

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2977

約数の個数: 16

約数和(自身を含む): 41684544

約数和(自身を除く): 14693326

約数列:

[1, 2, 67, 71, 134, 142, 2837, 4757, 5674, 9514, 190079, 201427, 380158, 402854, 13495609, 26991218]

約数ペア:

[(1, 26991218), (2, 13495609), (67, 402854), (71, 380158), (134, 201427), (142, 190079), (2837, 9514), (4757, 5674)]