66790871

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71741}}^1$

素因数の和:71774

約数の個数: 12

約数和(自身を含む): 81785880

約数和(自身を除く): 14995009

約数列:

[1, 7, 19, 49, 133, 931, 71741, 502187, 1363079, 3515309, 9541553, 66790871]

約数ペア:

[(1, 66790871), (7, 9541553), (19, 3515309), (49, 1363079), (133, 502187), (931, 71741)]