254582172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1117}}^1$

素因数の和:1627

約数の個数: 72

約数和(自身を含む): 695074016

約数和(自身を除く): 440491844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 487, 974, 1117, 1461, 1948, 2234, 2922, 3351, 4383, 4468, 5844, 6331, 6702, 8766, 10053, 12662, 13404, 14521, 17532, 18993, 20106, 25324, 29042, 37986, 40212, 43563, 56979, 58084, 75972, 87126, 113958, 130689, 174252, 227916, 261378, 522756, 543979, 1087958, 1631937, 2175916, 3263874, 4895811, 6527748, 7071727, 9791622, 14143454, 19583244, 21215181, 28286908, 42430362, 63645543, 84860724, 127291086, 254582172]

約数ペア:

[(1, 254582172), (2, 127291086), (3, 84860724), (4, 63645543), (6, 42430362), (9, 28286908), (12, 21215181), (13, 19583244), (18, 14143454), (26, 9791622), (36, 7071727), (39, 6527748), (52, 4895811), (78, 3263874), (117, 2175916), (156, 1631937), (234, 1087958), (468, 543979), (487, 522756), (974, 261378), (1117, 227916), (1461, 174252), (1948, 130689), (2234, 113958), (2922, 87126), (3351, 75972), (4383, 58084), (4468, 56979), (5844, 43563), (6331, 40212), (6702, 37986), (8766, 29042), (10053, 25324), (12662, 20106), (13404, 18993), (14521, 17532)]