31273228

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15731}}^1$

素因数の和:15813

約数の個数: 24

約数和(自身を含む): 63431424

約数和(自身を除く): 32158196

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 15731, 31462, 62924, 110117, 220234, 440468, 1116901, 2233802, 4467604, 7818307, 15636614, 31273228]

約数ペア:

[(1, 31273228), (2, 15636614), (4, 7818307), (7, 4467604), (14, 2233802), (28, 1116901), (71, 440468), (142, 220234), (284, 110117), (497, 62924), (994, 31462), (1988, 15731)]