28488328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 34108472

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 137, 139, 187, 274, 278, 374, 548, 556, 748, 1096, 1112, 1496, 1507, 1529, 2329, 2363, 3014, 3058, 4658, 4726, 6028, 6116, 9316, 9452, 12056, 12232, 18632, 18904, 19043, 25619, 25993, 38086, 51238, 51986, 76172, 102476, 103972, 152344, 204952, 207944, 209473, 323731, 418946, 647462, 837892, 1294924, 1675784, 2589848, 3561041, 7122082, 14244164, 28488328]

約数ペア:

[(1, 28488328), (2, 14244164), (4, 7122082), (8, 3561041), (11, 2589848), (17, 1675784), (22, 1294924), (34, 837892), (44, 647462), (68, 418946), (88, 323731), (136, 209473), (137, 207944), (139, 204952), (187, 152344), (274, 103972), (278, 102476), (374, 76172), (548, 51986), (556, 51238), (748, 38086), (1096, 25993), (1112, 25619), (1496, 19043), (1507, 18904), (1529, 18632), (2329, 12232), (2363, 12056), (3014, 9452), (3058, 9316), (4658, 6116), (4726, 6028)]