189509185

素因数分解:

$5^1\times {\mathrm{53}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 235819584

約数和(自身を除く): 46310399

約数列:

[1, 5, 53, 103, 131, 265, 515, 655, 2809, 5459, 6943, 13493, 14045, 27295, 34715, 67465, 289327, 367979, 715129, 1446635, 1839895, 3575645, 37901837, 189509185]

約数ペア:

[(1, 189509185), (5, 37901837), (53, 3575645), (103, 1839895), (131, 1446635), (265, 715129), (515, 367979), (655, 289327), (2809, 67465), (5459, 34715), (6943, 27295), (13493, 14045)]