66720738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{3121}}^1$

素因数の和:3642

約数の個数: 32

約数和(自身を含む): 152853120

約数和(自身を除く): 86132382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 1018, 1527, 3054, 3121, 3563, 6242, 7126, 9363, 10689, 18726, 21378, 21847, 43694, 65541, 131082, 1588589, 3177178, 4765767, 9531534, 11120123, 22240246, 33360369, 66720738]

約数ペア:

[(1, 66720738), (2, 33360369), (3, 22240246), (6, 11120123), (7, 9531534), (14, 4765767), (21, 3177178), (42, 1588589), (509, 131082), (1018, 65541), (1527, 43694), (3054, 21847), (3121, 21378), (3563, 18726), (6242, 10689), (7126, 9363)]