290417426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 520732800

約数和(自身を除く): 230315374

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 139, 163, 221, 278, 326, 377, 442, 493, 754, 986, 1807, 2119, 2363, 2771, 3614, 4031, 4238, 4726, 4727, 5542, 6409, 8062, 9454, 12818, 22657, 30719, 36023, 45314, 52403, 61438, 61451, 68527, 72046, 80359, 104806, 122902, 137054, 160718, 294541, 385169, 589082, 657053, 770338, 890851, 1044667, 1314106, 1781702, 2089334, 5007197, 8541689, 10014394, 11169901, 17083378, 22339802, 145208713, 290417426]

約数ペア:

[(1, 290417426), (2, 145208713), (13, 22339802), (17, 17083378), (26, 11169901), (29, 10014394), (34, 8541689), (58, 5007197), (139, 2089334), (163, 1781702), (221, 1314106), (278, 1044667), (326, 890851), (377, 770338), (442, 657053), (493, 589082), (754, 385169), (986, 294541), (1807, 160718), (2119, 137054), (2363, 122902), (2771, 104806), (3614, 80359), (4031, 72046), (4238, 68527), (4726, 61451), (4727, 61438), (5542, 52403), (6409, 45314), (8062, 36023), (9454, 30719), (12818, 22657)]