1289726234

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{52127}}^1$

素因数の和:52357

約数の個数: 16

約数和(自身を含む): 1970438400

約数和(自身を除く): 680712166

約数列:

[1, 2, 89, 139, 178, 278, 12371, 24742, 52127, 104254, 4639303, 7245653, 9278606, 14491306, 644863117, 1289726234]

約数ペア:

[(1, 1289726234), (2, 644863117), (89, 14491306), (139, 9278606), (178, 7245653), (278, 4639303), (12371, 104254), (24742, 52127)]