256271576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 536371200

約数和(自身を除く): 280099624

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 191, 193, 316, 382, 386, 632, 764, 772, 869, 1528, 1544, 1738, 2101, 2123, 3476, 4202, 4246, 6952, 8404, 8492, 15089, 15247, 16808, 16984, 30178, 30494, 36863, 60356, 60988, 73726, 120712, 121976, 147452, 165979, 167717, 294904, 331958, 335434, 405493, 663916, 670868, 810986, 1327832, 1341736, 1621972, 2912177, 3243944, 5824354, 11648708, 23297416, 32033947, 64067894, 128135788, 256271576]

約数ペア:

[(1, 256271576), (2, 128135788), (4, 64067894), (8, 32033947), (11, 23297416), (22, 11648708), (44, 5824354), (79, 3243944), (88, 2912177), (158, 1621972), (191, 1341736), (193, 1327832), (316, 810986), (382, 670868), (386, 663916), (632, 405493), (764, 335434), (772, 331958), (869, 294904), (1528, 167717), (1544, 165979), (1738, 147452), (2101, 121976), (2123, 120712), (3476, 73726), (4202, 60988), (4246, 60356), (6952, 36863), (8404, 30494), (8492, 30178), (15089, 16984), (15247, 16808)]