12578555

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 17581536

約数和(自身を除く): 5002981

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 1223, 2057, 6115, 10285, 13453, 20791, 67265, 103955, 147983, 228701, 739915, 1143505, 2515711, 12578555]

約数ペア:

[(1, 12578555), (5, 2515711), (11, 1143505), (17, 739915), (55, 228701), (85, 147983), (121, 103955), (187, 67265), (605, 20791), (935, 13453), (1223, 10285), (2057, 6115)]