77981584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{286697}}^1$

素因数の和:286722

約数の個数: 20

約数和(自身を含む): 159977484

約数和(自身を除く): 81995900

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 286697, 573394, 1146788, 2293576, 4587152, 4873849, 9747698, 19495396, 38990792, 77981584]

約数ペア:

[(1, 77981584), (2, 38990792), (4, 19495396), (8, 9747698), (16, 4873849), (17, 4587152), (34, 2293576), (68, 1146788), (136, 573394), (272, 286697)]