28768166

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 54028800

約数和(自身を除く): 25260634

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 79, 133, 158, 259, 266, 518, 553, 703, 1106, 1369, 1406, 1501, 2738, 2923, 3002, 4921, 5846, 9583, 9842, 10507, 19166, 20461, 21014, 26011, 40922, 52022, 55537, 108151, 111074, 182077, 216302, 364154, 388759, 757057, 777518, 1514114, 2054869, 4109738, 14384083, 28768166]

約数ペア:

[(1, 28768166), (2, 14384083), (7, 4109738), (14, 2054869), (19, 1514114), (37, 777518), (38, 757057), (74, 388759), (79, 364154), (133, 216302), (158, 182077), (259, 111074), (266, 108151), (518, 55537), (553, 52022), (703, 40922), (1106, 26011), (1369, 21014), (1406, 20461), (1501, 19166), (2738, 10507), (2923, 9842), (3002, 9583), (4921, 5846)]