81676478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 140343840

約数和(自身を除く): 58667362

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 494, 1313, 1637, 1919, 2626, 3274, 3838, 21281, 24947, 31103, 42562, 49894, 62206, 165337, 330674, 404339, 808678, 2149381, 3141403, 4298762, 6282806, 40838239, 81676478]

約数ペア:

[(1, 81676478), (2, 40838239), (13, 6282806), (19, 4298762), (26, 3141403), (38, 2149381), (101, 808678), (202, 404339), (247, 330674), (494, 165337), (1313, 62206), (1637, 49894), (1919, 42562), (2626, 31103), (3274, 24947), (3838, 21281)]