1281291258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{50857}}^1$

素因数の和:50911

約数の個数: 64

約数和(自身を含む): 3075891840

約数和(自身を除く): 1794600582

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 969, 1326, 1482, 1938, 4199, 8398, 12597, 25194, 50857, 101714, 152571, 305142, 661141, 864569, 966283, 1322282, 1729138, 1932566, 1983423, 2593707, 2898849, 3966846, 5187414, 5797698, 11239397, 12561679, 16426811, 22478794, 25123358, 32853622, 33718191, 37685037, 49280433, 67436382, 75370074, 98560866, 213548543, 427097086, 640645629, 1281291258]

約数ペア:

[(1, 1281291258), (2, 640645629), (3, 427097086), (6, 213548543), (13, 98560866), (17, 75370074), (19, 67436382), (26, 49280433), (34, 37685037), (38, 33718191), (39, 32853622), (51, 25123358), (57, 22478794), (78, 16426811), (102, 12561679), (114, 11239397), (221, 5797698), (247, 5187414), (323, 3966846), (442, 2898849), (494, 2593707), (646, 1983423), (663, 1932566), (741, 1729138), (969, 1322282), (1326, 966283), (1482, 864569), (1938, 661141), (4199, 305142), (8398, 152571), (12597, 101714), (25194, 50857)]