42991982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{7211}}^1$

素因数の和:7495

約数の個数: 16

約数和(自身を含む): 70619904

約数和(自身を除く): 27627922

約数列:

[1, 2, 11, 22, 271, 542, 2981, 5962, 7211, 14422, 79321, 158642, 1954181, 3908362, 21495991, 42991982]

約数ペア:

[(1, 42991982), (2, 21495991), (11, 3908362), (22, 1954181), (271, 158642), (542, 79321), (2981, 14422), (5962, 7211)]