128844268

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{64811}}^1$

素因数の和:64893

約数の個数: 24

約数和(自身を含む): 261321984

約数和(自身を除く): 132477716

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 64811, 129622, 259244, 453677, 907354, 1814708, 4601581, 9203162, 18406324, 32211067, 64422134, 128844268]

約数ペア:

[(1, 128844268), (2, 64422134), (4, 32211067), (7, 18406324), (14, 9203162), (28, 4601581), (71, 1814708), (142, 907354), (284, 453677), (497, 259244), (994, 129622), (1988, 64811)]