289103155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 385414848

約数和(自身を除く): 96311693

約数列:

[1, 5, 11, 55, 113, 181, 257, 565, 905, 1243, 1285, 1991, 2827, 6215, 9955, 14135, 20453, 29041, 46517, 102265, 145205, 224983, 232585, 319451, 511687, 1124915, 1597255, 2558435, 5256421, 26282105, 57820631, 289103155]

約数ペア:

[(1, 289103155), (5, 57820631), (11, 26282105), (55, 5256421), (113, 2558435), (181, 1597255), (257, 1124915), (565, 511687), (905, 319451), (1243, 232585), (1285, 224983), (1991, 145205), (2827, 102265), (6215, 46517), (9955, 29041), (14135, 20453)]