81297604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{7159}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 151562880

約数和(自身を除く): 70265276

約数列:

[1, 2, 4, 17, 34, 68, 167, 334, 668, 2839, 5678, 7159, 11356, 14318, 28636, 121703, 243406, 486812, 1195553, 2391106, 4782212, 20324401, 40648802, 81297604]

約数ペア:

[(1, 81297604), (2, 40648802), (4, 20324401), (17, 4782212), (34, 2391106), (68, 1195553), (167, 486812), (334, 243406), (668, 121703), (2839, 28636), (5678, 14318), (7159, 11356)]