256813902

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 593374320

約数和(自身を除く): 336560418

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 97, 118, 162, 177, 194, 277, 291, 354, 531, 554, 582, 831, 873, 1062, 1593, 1662, 1746, 2493, 2619, 3186, 4779, 4986, 5238, 5723, 7479, 7857, 9558, 11446, 14958, 15714, 16343, 17169, 22437, 26869, 32686, 34338, 44874, 49029, 51507, 53738, 80607, 98058, 103014, 147087, 154521, 161214, 241821, 294174, 309042, 441261, 463563, 483642, 725463, 882522, 927126, 1323783, 1450926, 1585271, 2176389, 2647566, 3170542, 4352778, 4755813, 9511626, 14267439, 28534878, 42802317, 85604634, 128406951, 256813902]

約数ペア:

[(1, 256813902), (2, 128406951), (3, 85604634), (6, 42802317), (9, 28534878), (18, 14267439), (27, 9511626), (54, 4755813), (59, 4352778), (81, 3170542), (97, 2647566), (118, 2176389), (162, 1585271), (177, 1450926), (194, 1323783), (277, 927126), (291, 882522), (354, 725463), (531, 483642), (554, 463563), (582, 441261), (831, 309042), (873, 294174), (1062, 241821), (1593, 161214), (1662, 154521), (1746, 147087), (2493, 103014), (2619, 98058), (3186, 80607), (4779, 53738), (4986, 51507), (5238, 49029), (5723, 44874), (7479, 34338), (7857, 32686), (9558, 26869), (11446, 22437), (14958, 17169), (15714, 16343)]