64586644

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 116424000

約数和(自身を除く): 51837356

約数列:

[1, 2, 4, 41, 82, 164, 199, 398, 796, 1979, 3958, 7916, 8159, 16318, 32636, 81139, 162278, 324556, 393821, 787642, 1575284, 16146661, 32293322, 64586644]

約数ペア:

[(1, 64586644), (2, 32293322), (4, 16146661), (41, 1575284), (82, 787642), (164, 393821), (199, 324556), (398, 162278), (796, 81139), (1979, 32636), (3958, 16318), (7916, 8159)]