168563956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 343883232

約数和(自身を除く): 175319276

約数列:

[1, 2, 4, 11, 22, 41, 43, 44, 53, 82, 86, 106, 164, 172, 212, 451, 473, 583, 902, 946, 1166, 1681, 1763, 1804, 1892, 2173, 2279, 2332, 3362, 3526, 4346, 4558, 6724, 7052, 8692, 9116, 18491, 19393, 23903, 25069, 36982, 38786, 47806, 50138, 72283, 73964, 77572, 89093, 93439, 95612, 100276, 144566, 178186, 186878, 289132, 356372, 373756, 795113, 980023, 1027829, 1590226, 1960046, 2055658, 3180452, 3830999, 3920092, 4111316, 7661998, 15323996, 42140989, 84281978, 168563956]

約数ペア:

[(1, 168563956), (2, 84281978), (4, 42140989), (11, 15323996), (22, 7661998), (41, 4111316), (43, 3920092), (44, 3830999), (53, 3180452), (82, 2055658), (86, 1960046), (106, 1590226), (164, 1027829), (172, 980023), (212, 795113), (451, 373756), (473, 356372), (583, 289132), (902, 186878), (946, 178186), (1166, 144566), (1681, 100276), (1763, 95612), (1804, 93439), (1892, 89093), (2173, 77572), (2279, 73964), (2332, 72283), (3362, 50138), (3526, 47806), (4346, 38786), (4558, 36982), (6724, 25069), (7052, 23903), (8692, 19393), (9116, 18491)]