649295478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2774767}}^1$

素因数の和:2774788

約数の個数: 24

約数和(自身を含む): 1515023328

約数和(自身を除く): 865727850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2774767, 5549534, 8324301, 16648602, 24972903, 36071971, 49945806, 72143942, 108215913, 216431826, 324647739, 649295478]

約数ペア:

[(1, 649295478), (2, 324647739), (3, 216431826), (6, 108215913), (9, 72143942), (13, 49945806), (18, 36071971), (26, 24972903), (39, 16648602), (78, 8324301), (117, 5549534), (234, 2774767)]