85857668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{31153}}^1$

素因数の和:31223

約数の個数: 24

約数和(自身を含む): 164866968

約数和(自身を除く): 79009300

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 31153, 62306, 124612, 404989, 809978, 1619956, 1651109, 3302218, 6604436, 21464417, 42928834, 85857668]

約数ペア:

[(1, 85857668), (2, 42928834), (4, 21464417), (13, 6604436), (26, 3302218), (52, 1651109), (53, 1619956), (106, 809978), (212, 404989), (689, 124612), (1378, 62306), (2756, 31153)]