81080558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{4513}}^1$

素因数の和:5219

約数の個数: 16

約数和(自身を含む): 131194896

約数和(自身を除く): 50114338

約数列:

[1, 2, 13, 26, 691, 1382, 4513, 8983, 9026, 17966, 58669, 117338, 3118483, 6236966, 40540279, 81080558]

約数ペア:

[(1, 81080558), (2, 40540279), (13, 6236966), (26, 3118483), (691, 117338), (1382, 58669), (4513, 17966), (8983, 9026)]