138817504

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19991}}^1$

素因数の和:20039

約数の個数: 48

約数和(自身を含む): 322430976

約数和(自身を除く): 183613472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 19991, 39982, 79964, 139937, 159928, 279874, 319856, 559748, 619721, 639712, 1119496, 1239442, 2238992, 2478884, 4338047, 4477984, 4957768, 8676094, 9915536, 17352188, 19831072, 34704376, 69408752, 138817504]

約数ペア:

[(1, 138817504), (2, 69408752), (4, 34704376), (7, 19831072), (8, 17352188), (14, 9915536), (16, 8676094), (28, 4957768), (31, 4477984), (32, 4338047), (56, 2478884), (62, 2238992), (112, 1239442), (124, 1119496), (217, 639712), (224, 619721), (248, 559748), (434, 319856), (496, 279874), (868, 159928), (992, 139937), (1736, 79964), (3472, 39982), (6944, 19991)]