1277408912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7517}}^1$

素因数の和:7600

約数の個数: 80

約数和(自身を含む): 2871274560

約数和(自身を除く): 1593865648

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 208, 247, 304, 344, 494, 559, 688, 817, 988, 1118, 1634, 1976, 2236, 3268, 3952, 4472, 6536, 7517, 8944, 10621, 13072, 15034, 21242, 30068, 42484, 60136, 84968, 97721, 120272, 142823, 169936, 195442, 285646, 323231, 390884, 571292, 646462, 781768, 1142584, 1292924, 1563536, 1856699, 2285168, 2585848, 3713398, 4202003, 5171696, 6141389, 7426796, 8404006, 12282778, 14853592, 16808012, 24565556, 29707184, 33616024, 49131112, 67232048, 79838057, 98262224, 159676114, 319352228, 638704456, 1277408912]

約数ペア:

[(1, 1277408912), (2, 638704456), (4, 319352228), (8, 159676114), (13, 98262224), (16, 79838057), (19, 67232048), (26, 49131112), (38, 33616024), (43, 29707184), (52, 24565556), (76, 16808012), (86, 14853592), (104, 12282778), (152, 8404006), (172, 7426796), (208, 6141389), (247, 5171696), (304, 4202003), (344, 3713398), (494, 2585848), (559, 2285168), (688, 1856699), (817, 1563536), (988, 1292924), (1118, 1142584), (1634, 781768), (1976, 646462), (2236, 571292), (3268, 390884), (3952, 323231), (4472, 285646), (6536, 195442), (7517, 169936), (8944, 142823), (10621, 120272), (13072, 97721), (15034, 84968), (21242, 60136), (30068, 42484)]