171031825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 229491760

約数和(自身を除く): 58459935

約数列:

[1, 5, 19, 25, 47, 95, 163, 235, 475, 815, 893, 1175, 2209, 3097, 4075, 4465, 7661, 11045, 15485, 22325, 38305, 41971, 55225, 77425, 145559, 191525, 209855, 360067, 727795, 1049275, 1800335, 3638975, 6841273, 9001675, 34206365, 171031825]

約数ペア:

[(1, 171031825), (5, 34206365), (19, 9001675), (25, 6841273), (47, 3638975), (95, 1800335), (163, 1049275), (235, 727795), (475, 360067), (815, 209855), (893, 191525), (1175, 145559), (2209, 77425), (3097, 55225), (4075, 41971), (4465, 38305), (7661, 22325), (11045, 15485)]