2566291221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4871}}^1$

素因数の和:4991

約数の個数: 64

約数和(自身を含む): 4365312000

約数和(自身を除く): 1799020779

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 79, 117, 171, 237, 247, 351, 513, 711, 741, 1027, 1501, 2133, 2223, 3081, 4503, 4871, 6669, 9243, 13509, 14613, 19513, 27729, 40527, 43839, 58539, 63323, 92549, 131517, 175617, 189969, 277647, 384809, 526851, 569907, 832941, 1154427, 1203137, 1709721, 2498823, 3463281, 3609411, 5002517, 7311371, 10389843, 10828233, 15007551, 21934113, 32484699, 45022653, 65802339, 95047823, 135067959, 197407017, 285143469, 855430407, 2566291221]

約数ペア:

[(1, 2566291221), (3, 855430407), (9, 285143469), (13, 197407017), (19, 135067959), (27, 95047823), (39, 65802339), (57, 45022653), (79, 32484699), (117, 21934113), (171, 15007551), (237, 10828233), (247, 10389843), (351, 7311371), (513, 5002517), (711, 3609411), (741, 3463281), (1027, 2498823), (1501, 1709721), (2133, 1203137), (2223, 1154427), (3081, 832941), (4503, 569907), (4871, 526851), (6669, 384809), (9243, 277647), (13509, 189969), (14613, 175617), (19513, 131517), (27729, 92549), (40527, 63323), (43839, 58539)]