81315948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42089}}^1$

素因数の和:42126

約数の個数: 48

約数和(自身を含む): 226275840

約数和(自身を除く): 144959892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 42089, 84178, 126267, 168356, 252534, 294623, 505068, 589246, 883869, 968047, 1178492, 1767738, 1936094, 2904141, 3535476, 3872188, 5808282, 6776329, 11616564, 13552658, 20328987, 27105316, 40657974, 81315948]

約数ペア:

[(1, 81315948), (2, 40657974), (3, 27105316), (4, 20328987), (6, 13552658), (7, 11616564), (12, 6776329), (14, 5808282), (21, 3872188), (23, 3535476), (28, 2904141), (42, 1936094), (46, 1767738), (69, 1178492), (84, 968047), (92, 883869), (138, 589246), (161, 505068), (276, 294623), (322, 252534), (483, 168356), (644, 126267), (966, 84178), (1932, 42089)]