161567212

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 286624800

約数和(自身を除く): 125057588

約数列:

[1, 2, 4, 109, 218, 263, 436, 526, 1052, 1409, 2818, 5636, 28667, 57334, 114668, 153581, 307162, 370567, 614324, 741134, 1482268, 40391803, 80783606, 161567212]

約数ペア:

[(1, 161567212), (2, 80783606), (4, 40391803), (109, 1482268), (218, 741134), (263, 614324), (436, 370567), (526, 307162), (1052, 153581), (1409, 114668), (2818, 57334), (5636, 28667)]