81635156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27919}}^1$

素因数の和:27983

約数の個数: 24

約数和(自身を含む): 154788480

約数和(自身を除く): 73153324

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27919, 55838, 111676, 474623, 949246, 1200517, 1898492, 2401034, 4802068, 20408789, 40817578, 81635156]

約数ペア:

[(1, 81635156), (2, 40817578), (4, 20408789), (17, 4802068), (34, 2401034), (43, 1898492), (68, 1200517), (86, 949246), (172, 474623), (731, 111676), (1462, 55838), (2924, 27919)]