287373352

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{72277}}^1$

素因数の和:72361

約数の個数: 32

約数和(自身を含む): 624481920

約数和(自身を除く): 337108568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 72277, 144554, 289108, 505939, 578216, 1011878, 2023756, 4047512, 5131667, 10263334, 20526668, 35921669, 41053336, 71843338, 143686676, 287373352]

約数ペア:

[(1, 287373352), (2, 143686676), (4, 71843338), (7, 41053336), (8, 35921669), (14, 20526668), (28, 10263334), (56, 5131667), (71, 4047512), (142, 2023756), (284, 1011878), (497, 578216), (568, 505939), (994, 289108), (1988, 144554), (3976, 72277)]