664293316

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1973}}^1\times {\mathrm{2053}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 1192051224

約数和(自身を除く): 527757908

約数列:

[1, 2, 4, 41, 82, 164, 1973, 2053, 3946, 4106, 7892, 8212, 80893, 84173, 161786, 168346, 323572, 336692, 4050569, 8101138, 16202276, 166073329, 332146658, 664293316]

約数ペア:

[(1, 664293316), (2, 332146658), (4, 166073329), (41, 16202276), (82, 8101138), (164, 4050569), (1973, 336692), (2053, 323572), (3946, 168346), (4106, 161786), (7892, 84173), (8212, 80893)]