71847725

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{1301}}^1$

素因数の和:1405

約数の個数: 18

約数和(自身を含む): 91097034

約数和(自身を除く): 19249309

約数列:

[1, 5, 25, 47, 235, 1175, 1301, 2209, 6505, 11045, 32525, 55225, 61147, 305735, 1528675, 2873909, 14369545, 71847725]

約数ペア:

[(1, 71847725), (5, 14369545), (25, 2873909), (47, 1528675), (235, 305735), (1175, 61147), (1301, 55225), (2209, 32525), (6505, 11045)]