81615748

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{4651}}^1$

素因数の和:4803

約数の個数: 24

約数和(自身を含む): 147710304

約数和(自身を除く): 66094556

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 4387, 4651, 8774, 9302, 17548, 18604, 190691, 381382, 497657, 762764, 995314, 1990628, 20403937, 40807874, 81615748]

約数ペア:

[(1, 81615748), (2, 40807874), (4, 20403937), (41, 1990628), (82, 995314), (107, 762764), (164, 497657), (214, 381382), (428, 190691), (4387, 18604), (4651, 17548), (8774, 9302)]