388601785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{49409}}^1$

素因数の和:49449

約数の個数: 24

約数和(自身を含む): 552008520

約数和(自身を除く): 163406735

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 49409, 247045, 543499, 642317, 2717495, 3211585, 5978489, 7065487, 29892445, 35327435, 77720357, 388601785]

約数ペア:

[(1, 388601785), (5, 77720357), (11, 35327435), (13, 29892445), (55, 7065487), (65, 5978489), (121, 3211585), (143, 2717495), (605, 642317), (715, 543499), (1573, 247045), (7865, 49409)]