81264912

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2633}}^1$

素因数の和:3287

約数の個数: 40

約数和(自身を含む): 210340704

約数和(自身を除く): 129075792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 1286, 1929, 2572, 2633, 3858, 5144, 5266, 7716, 7899, 10288, 10532, 15432, 15798, 21064, 30864, 31596, 42128, 63192, 126384, 1693019, 3386038, 5079057, 6772076, 10158114, 13544152, 20316228, 27088304, 40632456, 81264912]

約数ペア:

[(1, 81264912), (2, 40632456), (3, 27088304), (4, 20316228), (6, 13544152), (8, 10158114), (12, 6772076), (16, 5079057), (24, 3386038), (48, 1693019), (643, 126384), (1286, 63192), (1929, 42128), (2572, 31596), (2633, 30864), (3858, 21064), (5144, 15798), (5266, 15432), (7716, 10532), (7899, 10288)]