171640238

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 330577200

約数和(自身を除く): 158936962

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 539, 623, 979, 1078, 1246, 1789, 1958, 3578, 4361, 6853, 8722, 12523, 13706, 19679, 25046, 39358, 47971, 87661, 95942, 137753, 159221, 175322, 275506, 318442, 964271, 1114547, 1751431, 1928542, 2229094, 3502862, 7801829, 12260017, 15603658, 24520034, 85820119, 171640238]

約数ペア:

[(1, 171640238), (2, 85820119), (7, 24520034), (11, 15603658), (14, 12260017), (22, 7801829), (49, 3502862), (77, 2229094), (89, 1928542), (98, 1751431), (154, 1114547), (178, 964271), (539, 318442), (623, 275506), (979, 175322), (1078, 159221), (1246, 137753), (1789, 95942), (1958, 87661), (3578, 47971), (4361, 39358), (6853, 25046), (8722, 19679), (12523, 13706)]