28680245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2647}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 37749888

約数和(自身を除く): 9069643

約数列:

[1, 5, 11, 55, 197, 985, 2167, 2647, 10835, 13235, 29117, 145585, 521459, 2607295, 5736049, 28680245]

約数ペア:

[(1, 28680245), (5, 5736049), (11, 2607295), (55, 521459), (197, 145585), (985, 29117), (2167, 13235), (2647, 10835)]