68686808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1063}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 132723360

約数和(自身を除く): 64036552

約数列:

[1, 2, 4, 8, 41, 82, 164, 197, 328, 394, 788, 1063, 1576, 2126, 4252, 8077, 8504, 16154, 32308, 43583, 64616, 87166, 174332, 209411, 348664, 418822, 837644, 1675288, 8585851, 17171702, 34343404, 68686808]

約数ペア:

[(1, 68686808), (2, 34343404), (4, 17171702), (8, 8585851), (41, 1675288), (82, 837644), (164, 418822), (197, 348664), (328, 209411), (394, 174332), (788, 87166), (1063, 64616), (1576, 43583), (2126, 32308), (4252, 16154), (8077, 8504)]