256787244

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8563}}^1$

素因数の和:8604

約数の個数: 108

約数和(自身を含む): 799586424

約数和(自身を除く): 542799180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 714, 833, 882, 1071, 1428, 1666, 1764, 2142, 2499, 3332, 4284, 4998, 7497, 8563, 9996, 14994, 17126, 25689, 29988, 34252, 51378, 59941, 77067, 102756, 119882, 145571, 154134, 179823, 239764, 291142, 308268, 359646, 419587, 436713, 539469, 582284, 719292, 839174, 873426, 1018997, 1078938, 1258761, 1310139, 1678348, 1746852, 2037994, 2157876, 2517522, 2620278, 3056991, 3776283, 4075988, 5035044, 5240556, 6113982, 7132979, 7552566, 9170973, 12227964, 14265958, 15105132, 18341946, 21398937, 28531916, 36683892, 42797874, 64196811, 85595748, 128393622, 256787244]

約数ペア:

[(1, 256787244), (2, 128393622), (3, 85595748), (4, 64196811), (6, 42797874), (7, 36683892), (9, 28531916), (12, 21398937), (14, 18341946), (17, 15105132), (18, 14265958), (21, 12227964), (28, 9170973), (34, 7552566), (36, 7132979), (42, 6113982), (49, 5240556), (51, 5035044), (63, 4075988), (68, 3776283), (84, 3056991), (98, 2620278), (102, 2517522), (119, 2157876), (126, 2037994), (147, 1746852), (153, 1678348), (196, 1310139), (204, 1258761), (238, 1078938), (252, 1018997), (294, 873426), (306, 839174), (357, 719292), (441, 582284), (476, 539469), (588, 436713), (612, 419587), (714, 359646), (833, 308268), (882, 291142), (1071, 239764), (1428, 179823), (1666, 154134), (1764, 145571), (2142, 119882), (2499, 102756), (3332, 77067), (4284, 59941), (4998, 51378), (7497, 34252), (8563, 29988), (9996, 25689), (14994, 17126)]