2780452874

素因数分解:

$2^1\times {\mathrm{79}}^2\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1158

約数の個数: 24

約数和(自身を含む): 4243085028

約数和(自身を除く): 1462632154

約数列:

[1, 2, 79, 158, 337, 661, 674, 1322, 6241, 12482, 26623, 52219, 53246, 104438, 222757, 445514, 2103217, 4125301, 4206434, 8250602, 17597803, 35195606, 1390226437, 2780452874]

約数ペア:

[(1, 2780452874), (2, 1390226437), (79, 35195606), (158, 17597803), (337, 8250602), (661, 4206434), (674, 4125301), (1322, 2103217), (6241, 445514), (12482, 222757), (26623, 104438), (52219, 53246)]