291227222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 555763680

約数和(自身を除く): 264536458

約数列:

[1, 2, 11, 13, 22, 26, 29, 37, 58, 73, 74, 143, 146, 169, 286, 319, 338, 377, 407, 481, 638, 754, 803, 814, 949, 962, 1073, 1606, 1859, 1898, 2117, 2146, 2701, 3718, 4147, 4234, 4901, 5291, 5402, 6253, 8294, 9802, 10439, 10582, 11803, 12337, 12506, 13949, 20878, 23287, 23606, 24674, 27521, 27898, 29711, 35113, 46574, 53911, 55042, 59422, 68783, 70226, 78329, 107822, 135707, 137566, 153439, 156658, 181337, 271414, 302731, 306878, 357773, 362674, 386243, 456469, 605462, 715546, 772486, 861619, 912938, 1018277, 1723238, 1994707, 2036554, 3935503, 3989414, 5021159, 7871006, 10042318, 11201047, 13237601, 22402094, 26475202, 145613611, 291227222]

約数ペア:

[(1, 291227222), (2, 145613611), (11, 26475202), (13, 22402094), (22, 13237601), (26, 11201047), (29, 10042318), (37, 7871006), (58, 5021159), (73, 3989414), (74, 3935503), (143, 2036554), (146, 1994707), (169, 1723238), (286, 1018277), (319, 912938), (338, 861619), (377, 772486), (407, 715546), (481, 605462), (638, 456469), (754, 386243), (803, 362674), (814, 357773), (949, 306878), (962, 302731), (1073, 271414), (1606, 181337), (1859, 156658), (1898, 153439), (2117, 137566), (2146, 135707), (2701, 107822), (3718, 78329), (4147, 70226), (4234, 68783), (4901, 59422), (5291, 55042), (5402, 53911), (6253, 46574), (8294, 35113), (9802, 29711), (10439, 27898), (10582, 27521), (11803, 24674), (12337, 23606), (12506, 23287), (13949, 20878)]