289199716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 599213160

約数和(自身を除く): 310013444

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 389, 442, 493, 754, 778, 841, 884, 986, 1508, 1556, 1682, 1972, 3364, 5057, 6409, 6613, 10114, 10933, 11281, 12818, 13226, 14297, 20228, 21866, 22562, 25636, 26452, 28594, 43732, 45124, 57188, 85969, 146653, 171938, 185861, 191777, 293306, 327149, 343876, 371722, 383554, 586612, 654298, 743444, 767108, 1308596, 2493101, 4252937, 4986202, 5561533, 8505874, 9972404, 11123066, 17011748, 22246132, 72299929, 144599858, 289199716]

約数ペア:

[(1, 289199716), (2, 144599858), (4, 72299929), (13, 22246132), (17, 17011748), (26, 11123066), (29, 9972404), (34, 8505874), (52, 5561533), (58, 4986202), (68, 4252937), (116, 2493101), (221, 1308596), (377, 767108), (389, 743444), (442, 654298), (493, 586612), (754, 383554), (778, 371722), (841, 343876), (884, 327149), (986, 293306), (1508, 191777), (1556, 185861), (1682, 171938), (1972, 146653), (3364, 85969), (5057, 57188), (6409, 45124), (6613, 43732), (10114, 28594), (10933, 26452), (11281, 25636), (12818, 22562), (13226, 21866), (14297, 20228)]