81153328

素因数分解:

$2^4\times {\mathrm{1229}}^1\times {\mathrm{4127}}^1$

素因数の和:5364

約数の個数: 20

約数和(自身を含む): 157400640

約数和(自身を除く): 76247312

約数列:

[1, 2, 4, 8, 16, 1229, 2458, 4127, 4916, 8254, 9832, 16508, 19664, 33016, 66032, 5072083, 10144166, 20288332, 40576664, 81153328]

約数ペア:

[(1, 81153328), (2, 40576664), (4, 20288332), (8, 10144166), (16, 5072083), (1229, 66032), (2458, 33016), (4127, 19664), (4916, 16508), (8254, 9832)]