86472211

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 106580880

約数和(自身を除く): 20108669

約数列:

[1, 7, 19, 49, 133, 293, 317, 931, 2051, 2219, 5567, 6023, 14357, 15533, 38969, 42161, 92881, 272783, 295127, 650167, 1764739, 4551169, 12353173, 86472211]

約数ペア:

[(1, 86472211), (7, 12353173), (19, 4551169), (49, 1764739), (133, 650167), (293, 295127), (317, 272783), (931, 92881), (2051, 42161), (2219, 38969), (5567, 15533), (6023, 14357)]