86940008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 167658120

約数和(自身を除く): 80718112

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 401, 661, 802, 1322, 1604, 2644, 3208, 5288, 16441, 27101, 32882, 54202, 65764, 108404, 131528, 216808, 265061, 530122, 1060244, 2120488, 10867501, 21735002, 43470004, 86940008]

約数ペア:

[(1, 86940008), (2, 43470004), (4, 21735002), (8, 10867501), (41, 2120488), (82, 1060244), (164, 530122), (328, 265061), (401, 216808), (661, 131528), (802, 108404), (1322, 65764), (1604, 54202), (2644, 32882), (3208, 27101), (5288, 16441)]