81316534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 136491264

約数和(自身を除く): 55174730

約数列:

[1, 2, 13, 26, 31, 62, 233, 403, 433, 466, 806, 866, 3029, 5629, 6058, 7223, 11258, 13423, 14446, 26846, 93899, 100889, 174499, 187798, 201778, 348998, 1311557, 2623114, 3127559, 6255118, 40658267, 81316534]

約数ペア:

[(1, 81316534), (2, 40658267), (13, 6255118), (26, 3127559), (31, 2623114), (62, 1311557), (233, 348998), (403, 201778), (433, 187798), (466, 174499), (806, 100889), (866, 93899), (3029, 26846), (5629, 14446), (6058, 13423), (7223, 11258)]