205429254

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 449141760

約数和(自身を除く): 243712506

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 113, 114, 222, 226, 339, 431, 678, 703, 862, 1293, 1406, 2109, 2147, 2586, 4181, 4218, 4294, 6441, 8189, 8362, 12543, 12882, 15947, 16378, 24567, 25086, 31894, 47841, 48703, 49134, 79439, 95682, 97406, 146109, 158878, 238317, 292218, 302993, 476634, 605986, 908979, 925357, 1802011, 1817958, 1850714, 2776071, 3604022, 5406033, 5552142, 10812066, 34238209, 68476418, 102714627, 205429254]

約数ペア:

[(1, 205429254), (2, 102714627), (3, 68476418), (6, 34238209), (19, 10812066), (37, 5552142), (38, 5406033), (57, 3604022), (74, 2776071), (111, 1850714), (113, 1817958), (114, 1802011), (222, 925357), (226, 908979), (339, 605986), (431, 476634), (678, 302993), (703, 292218), (862, 238317), (1293, 158878), (1406, 146109), (2109, 97406), (2147, 95682), (2586, 79439), (4181, 49134), (4218, 48703), (4294, 47841), (6441, 31894), (8189, 25086), (8362, 24567), (12543, 16378), (12882, 15947)]