2017787365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 2893824000

約数和(自身を除く): 876036635

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 199, 209, 313, 341, 589, 995, 1045, 1565, 1705, 2189, 2945, 3443, 3781, 5947, 6169, 6479, 9703, 10945, 17215, 18905, 29735, 30845, 32395, 41591, 48515, 62287, 65417, 67859, 106733, 117211, 184357, 207955, 311435, 327085, 339295, 533665, 586055, 685157, 921785, 1183453, 1289321, 1930897, 2027927, 3425785, 5917265, 6446605, 9654485, 10139635, 13017983, 21239867, 36687043, 65089915, 106199335, 183435215, 403557473, 2017787365]

約数ペア:

[(1, 2017787365), (5, 403557473), (11, 183435215), (19, 106199335), (31, 65089915), (55, 36687043), (95, 21239867), (155, 13017983), (199, 10139635), (209, 9654485), (313, 6446605), (341, 5917265), (589, 3425785), (995, 2027927), (1045, 1930897), (1565, 1289321), (1705, 1183453), (2189, 921785), (2945, 685157), (3443, 586055), (3781, 533665), (5947, 339295), (6169, 327085), (6479, 311435), (9703, 207955), (10945, 184357), (17215, 117211), (18905, 106733), (29735, 67859), (30845, 65417), (32395, 62287), (41591, 48515)]