13247458315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{939203}}^1$

素因数の和:939259

約数の個数: 32

約数和(自身を含む): 20196642816

約数和(自身を除く): 6949184501

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 939203, 4696015, 6574421, 12209639, 29115293, 32872105, 61048195, 85467473, 145576465, 203807051, 378498809, 427337365, 1019035255, 1892494045, 2649491663, 13247458315]

約数ペア:

[(1, 13247458315), (5, 2649491663), (7, 1892494045), (13, 1019035255), (31, 427337365), (35, 378498809), (65, 203807051), (91, 145576465), (155, 85467473), (217, 61048195), (403, 32872105), (455, 29115293), (1085, 12209639), (2015, 6574421), (2821, 4696015), (14105, 939203)]