81089758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{45403}}^1$

素因数の和:45471

約数の個数: 16

約数和(自身を含む): 130763520

約数和(自身を除く): 49673762

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 45403, 90806, 862657, 1725314, 2133941, 4267882, 40544879, 81089758]

約数ペア:

[(1, 81089758), (2, 40544879), (19, 4267882), (38, 2133941), (47, 1725314), (94, 862657), (893, 90806), (1786, 45403)]