2017251285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 3938264064

約数和(自身を除く): 1921012779

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 53, 97, 101, 105, 111, 159, 185, 259, 265, 291, 303, 371, 485, 505, 555, 679, 707, 777, 795, 1113, 1295, 1455, 1515, 1855, 1961, 2037, 2121, 3395, 3535, 3589, 3737, 3885, 5141, 5353, 5565, 5883, 9797, 9805, 10185, 10605, 10767, 11211, 13727, 15423, 16059, 17945, 18685, 25123, 25705, 26159, 26765, 29391, 29415, 35987, 37471, 41181, 48985, 53835, 56055, 68579, 68635, 75369, 77115, 78477, 80295, 107961, 112413, 125615, 130795, 146955, 179935, 187355, 190217, 198061, 205737, 205905, 342895, 362489, 376845, 392385, 519241, 539805, 562065, 570651, 594183, 951085, 990305, 1028685, 1087467, 1331519, 1386427, 1557723, 1812445, 2537423, 2596205, 2853255, 2970915, 3634687, 3994557, 4159281, 5437335, 6657595, 6932135, 7612269, 7788615, 10904061, 12687115, 18173435, 19211917, 19972785, 20796405, 38061345, 54520305, 57635751, 96059585, 134483419, 288178755, 403450257, 672417095, 2017251285]

約数ペア:

[(1, 2017251285), (3, 672417095), (5, 403450257), (7, 288178755), (15, 134483419), (21, 96059585), (35, 57635751), (37, 54520305), (53, 38061345), (97, 20796405), (101, 19972785), (105, 19211917), (111, 18173435), (159, 12687115), (185, 10904061), (259, 7788615), (265, 7612269), (291, 6932135), (303, 6657595), (371, 5437335), (485, 4159281), (505, 3994557), (555, 3634687), (679, 2970915), (707, 2853255), (777, 2596205), (795, 2537423), (1113, 1812445), (1295, 1557723), (1455, 1386427), (1515, 1331519), (1855, 1087467), (1961, 1028685), (2037, 990305), (2121, 951085), (3395, 594183), (3535, 570651), (3589, 562065), (3737, 539805), (3885, 519241), (5141, 392385), (5353, 376845), (5565, 362489), (5883, 342895), (9797, 205905), (9805, 205737), (10185, 198061), (10605, 190217), (10767, 187355), (11211, 179935), (13727, 146955), (15423, 130795), (16059, 125615), (17945, 112413), (18685, 107961), (25123, 80295), (25705, 78477), (26159, 77115), (26765, 75369), (29391, 68635), (29415, 68579), (35987, 56055), (37471, 53835), (41181, 48985)]