289587028

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{1777}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 512576064

約数和(自身を除く): 222989036

約数列:

[1, 2, 4, 131, 262, 311, 524, 622, 1244, 1777, 3554, 7108, 40741, 81482, 162964, 232787, 465574, 552647, 931148, 1105294, 2210588, 72396757, 144793514, 289587028]

約数ペア:

[(1, 289587028), (2, 144793514), (4, 72396757), (131, 2210588), (262, 1105294), (311, 931148), (524, 552647), (622, 465574), (1244, 232787), (1777, 162964), (3554, 81482), (7108, 40741)]