1320938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 16

約数和(自身を含む): 2063880

約数和(自身を除く): 742942

約数列:

[1, 2, 41, 82, 89, 178, 181, 362, 3649, 7298, 7421, 14842, 16109, 32218, 660469, 1320938]

約数ペア:

[(1, 1320938), (2, 660469), (41, 32218), (82, 16109), (89, 14842), (178, 7421), (181, 7298), (362, 3649)]