260839128

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{997}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 712811520

約数和(自身を除く): 451972392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 991, 997, 1982, 1994, 2973, 2991, 3964, 3988, 5946, 5982, 7928, 7976, 10901, 10967, 11892, 11964, 21802, 21934, 23784, 23928, 32703, 32901, 43604, 43868, 65406, 65802, 87208, 87736, 130812, 131604, 261624, 263208, 988027, 1976054, 2964081, 3952108, 5928162, 7904216, 10868297, 11856324, 21736594, 23712648, 32604891, 43473188, 65209782, 86946376, 130419564, 260839128]

約数ペア:

[(1, 260839128), (2, 130419564), (3, 86946376), (4, 65209782), (6, 43473188), (8, 32604891), (11, 23712648), (12, 21736594), (22, 11856324), (24, 10868297), (33, 7904216), (44, 5928162), (66, 3952108), (88, 2964081), (132, 1976054), (264, 988027), (991, 263208), (997, 261624), (1982, 131604), (1994, 130812), (2973, 87736), (2991, 87208), (3964, 65802), (3988, 65406), (5946, 43868), (5982, 43604), (7928, 32901), (7976, 32703), (10901, 23928), (10967, 23784), (11892, 21934), (11964, 21802)]