261865084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2153}}^1\times {\mathrm{2339}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 493955280

約数和(自身を除く): 232090196

約数列:

[1, 2, 4, 13, 26, 52, 2153, 2339, 4306, 4678, 8612, 9356, 27989, 30407, 55978, 60814, 111956, 121628, 5035867, 10071734, 20143468, 65466271, 130932542, 261865084]

約数ペア:

[(1, 261865084), (2, 130932542), (4, 65466271), (13, 20143468), (26, 10071734), (52, 5035867), (2153, 121628), (2339, 111956), (4306, 60814), (4678, 55978), (8612, 30407), (9356, 27989)]