80717377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 18469823

約数列:

[1, 13, 17, 19, 47, 221, 247, 323, 409, 611, 799, 893, 4199, 5317, 6953, 7771, 10387, 11609, 15181, 19223, 90389, 101023, 132107, 197353, 249899, 326791, 365237, 1717391, 4248283, 4748081, 6209029, 80717377]

約数ペア:

[(1, 80717377), (13, 6209029), (17, 4748081), (19, 4248283), (47, 1717391), (221, 365237), (247, 326791), (323, 249899), (409, 197353), (611, 132107), (799, 101023), (893, 90389), (4199, 19223), (5317, 15181), (6953, 11609), (7771, 10387)]