209497288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26161}}^1$

素因数の和:26198

約数の個数: 64

約数和(自身を含む): 527425920

約数和(自身を除く): 317928632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 26161, 52322, 104644, 183127, 209288, 287771, 340093, 366254, 575542, 680186, 732508, 1151084, 1360372, 1465016, 2014397, 2302168, 2380651, 2720744, 3741023, 4028794, 4761302, 7482046, 8057588, 9522604, 14964092, 16115176, 19045208, 26187161, 29928184, 52374322, 104748644, 209497288]

約数ペア:

[(1, 209497288), (2, 104748644), (4, 52374322), (7, 29928184), (8, 26187161), (11, 19045208), (13, 16115176), (14, 14964092), (22, 9522604), (26, 8057588), (28, 7482046), (44, 4761302), (52, 4028794), (56, 3741023), (77, 2720744), (88, 2380651), (91, 2302168), (104, 2014397), (143, 1465016), (154, 1360372), (182, 1151084), (286, 732508), (308, 680186), (364, 575542), (572, 366254), (616, 340093), (728, 287771), (1001, 209288), (1144, 183127), (2002, 104644), (4004, 52322), (8008, 26161)]