128461775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23251}}^1$

素因数の和:23291

約数の個数: 24

約数和(自身を含む): 181644624

約数和(自身を除く): 53182849

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 23251, 116255, 302263, 395267, 581275, 1511315, 1976335, 5138471, 7556575, 9881675, 25692355, 128461775]

約数ペア:

[(1, 128461775), (5, 25692355), (13, 9881675), (17, 7556575), (25, 5138471), (65, 1976335), (85, 1511315), (221, 581275), (325, 395267), (425, 302263), (1105, 116255), (5525, 23251)]