1291214806

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{18457}}^1$

素因数の和:18748

約数の個数: 32

約数和(自身を含む): 2338997760

約数和(自身を除く): 1047782954

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 526, 1841, 3682, 4997, 9994, 18457, 34979, 36914, 69958, 129199, 258398, 350683, 701366, 2454781, 4854191, 4909562, 9708382, 33979337, 67958674, 92229629, 184459258, 645607403, 1291214806]

約数ペア:

[(1, 1291214806), (2, 645607403), (7, 184459258), (14, 92229629), (19, 67958674), (38, 33979337), (133, 9708382), (263, 4909562), (266, 4854191), (526, 2454781), (1841, 701366), (3682, 350683), (4997, 258398), (9994, 129199), (18457, 69958), (34979, 36914)]