77778032

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{28099}}^1$

素因数の和:28280

約数の個数: 20

約数和(自身を含む): 151571400

約数和(自身を除く): 73793368

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 28099, 56198, 112396, 224792, 449584, 4861127, 9722254, 19444508, 38889016, 77778032]

約数ペア:

[(1, 77778032), (2, 38889016), (4, 19444508), (8, 9722254), (16, 4861127), (173, 449584), (346, 224792), (692, 112396), (1384, 56198), (2768, 28099)]