38400004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 68624640

約数和(自身を除く): 30224636

約数列:

[1, 2, 4, 79, 137, 158, 274, 316, 548, 887, 1774, 3548, 10823, 21646, 43292, 70073, 121519, 140146, 243038, 280292, 486076, 9600001, 19200002, 38400004]

約数ペア:

[(1, 38400004), (2, 19200002), (4, 9600001), (79, 486076), (137, 280292), (158, 243038), (274, 140146), (316, 121519), (548, 70073), (887, 43292), (1774, 21646), (3548, 10823)]