80672081

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 100219680

約数和(自身を除く): 19547599

約数列:

[1, 7, 19, 49, 73, 133, 511, 931, 1187, 1387, 3577, 8309, 9709, 22553, 58163, 67963, 86651, 157871, 606557, 1105097, 1646369, 4245899, 11524583, 80672081]

約数ペア:

[(1, 80672081), (7, 11524583), (19, 4245899), (49, 1646369), (73, 1105097), (133, 606557), (511, 157871), (931, 86651), (1187, 67963), (1387, 58163), (3577, 22553), (8309, 9709)]