131276444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 266251104

約数和(自身を除く): 134974660

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 71, 74, 124, 142, 148, 284, 403, 481, 806, 923, 961, 962, 1147, 1612, 1846, 1922, 1924, 2201, 2294, 2627, 3692, 3844, 4402, 4588, 5254, 8804, 10508, 12493, 14911, 24986, 28613, 29822, 34151, 35557, 49972, 57226, 59644, 68231, 68302, 71114, 81437, 114452, 136462, 136604, 142228, 162874, 272924, 325748, 462241, 887003, 924482, 1058681, 1774006, 1848964, 2117362, 2524547, 3548012, 4234724, 5049094, 10098188, 32819111, 65638222, 131276444]

約数ペア:

[(1, 131276444), (2, 65638222), (4, 32819111), (13, 10098188), (26, 5049094), (31, 4234724), (37, 3548012), (52, 2524547), (62, 2117362), (71, 1848964), (74, 1774006), (124, 1058681), (142, 924482), (148, 887003), (284, 462241), (403, 325748), (481, 272924), (806, 162874), (923, 142228), (961, 136604), (962, 136462), (1147, 114452), (1612, 81437), (1846, 71114), (1922, 68302), (1924, 68231), (2201, 59644), (2294, 57226), (2627, 49972), (3692, 35557), (3844, 34151), (4402, 29822), (4588, 28613), (5254, 24986), (8804, 14911), (10508, 12493)]