2017278412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21991}}^1$

素因数の和:22102

約数の個数: 48

約数和(自身を含む): 3990228480

約数和(自身を除く): 1972950068

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 284, 323, 646, 1207, 1292, 1349, 2414, 2698, 4828, 5396, 21991, 22933, 43982, 45866, 87964, 91732, 373847, 417829, 747694, 835658, 1495388, 1561361, 1671316, 3122722, 6245444, 7103093, 14206186, 26543137, 28412372, 29665859, 53086274, 59331718, 106172548, 118663436, 504319603, 1008639206, 2017278412]

約数ペア:

[(1, 2017278412), (2, 1008639206), (4, 504319603), (17, 118663436), (19, 106172548), (34, 59331718), (38, 53086274), (68, 29665859), (71, 28412372), (76, 26543137), (142, 14206186), (284, 7103093), (323, 6245444), (646, 3122722), (1207, 1671316), (1292, 1561361), (1349, 1495388), (2414, 835658), (2698, 747694), (4828, 417829), (5396, 373847), (21991, 91732), (22933, 87964), (43982, 45866)]