65645741

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1486

約数の個数: 20

約数和(自身を含む): 80668800

約数和(自身を除く): 15023059

約数列:

[1, 7, 19, 49, 133, 343, 931, 1439, 2401, 6517, 10073, 27341, 45619, 70511, 191387, 493577, 1339709, 3455039, 9377963, 65645741]

約数ペア:

[(1, 65645741), (7, 9377963), (19, 3455039), (49, 1339709), (133, 493577), (343, 191387), (931, 70511), (1439, 45619), (2401, 27341), (6517, 10073)]