290288726

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 569425920

約数和(自身を除く): 279137194

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 127, 133, 182, 247, 254, 266, 494, 661, 889, 1322, 1651, 1729, 1778, 2413, 3302, 3458, 4627, 4826, 8593, 9254, 11557, 12559, 16891, 17186, 23114, 25118, 31369, 33782, 60151, 62738, 83947, 87913, 120302, 163267, 167894, 175826, 219583, 326534, 439166, 587629, 1091311, 1142869, 1175258, 1594993, 2182622, 2285738, 3189986, 7639177, 11164951, 15278354, 20734909, 22329902, 41469818, 145144363, 290288726]

約数ペア:

[(1, 290288726), (2, 145144363), (7, 41469818), (13, 22329902), (14, 20734909), (19, 15278354), (26, 11164951), (38, 7639177), (91, 3189986), (127, 2285738), (133, 2182622), (182, 1594993), (247, 1175258), (254, 1142869), (266, 1091311), (494, 587629), (661, 439166), (889, 326534), (1322, 219583), (1651, 175826), (1729, 167894), (1778, 163267), (2413, 120302), (3302, 87913), (3458, 83947), (4627, 62738), (4826, 60151), (8593, 33782), (9254, 31369), (11557, 25118), (12559, 23114), (16891, 17186)]