209391856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 467112960

約数和(自身を除く): 257721104

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 1054, 1178, 1292, 1307, 2108, 2356, 2584, 2614, 4216, 4712, 5168, 5228, 8432, 9424, 10013, 10456, 20026, 20912, 22219, 24833, 40052, 40517, 44438, 49666, 80104, 81034, 88876, 99332, 160208, 162068, 177752, 198664, 324136, 355504, 397328, 422161, 648272, 688789, 769823, 844322, 1377578, 1539646, 1688644, 2755156, 3079292, 3377288, 5510312, 6158584, 6754576, 11020624, 12317168, 13086991, 26173982, 52347964, 104695928, 209391856]

約数ペア:

[(1, 209391856), (2, 104695928), (4, 52347964), (8, 26173982), (16, 13086991), (17, 12317168), (19, 11020624), (31, 6754576), (34, 6158584), (38, 5510312), (62, 3377288), (68, 3079292), (76, 2755156), (124, 1688644), (136, 1539646), (152, 1377578), (248, 844322), (272, 769823), (304, 688789), (323, 648272), (496, 422161), (527, 397328), (589, 355504), (646, 324136), (1054, 198664), (1178, 177752), (1292, 162068), (1307, 160208), (2108, 99332), (2356, 88876), (2584, 81034), (2614, 80104), (4216, 49666), (4712, 44438), (5168, 40517), (5228, 40052), (8432, 24833), (9424, 22219), (10013, 20912), (10456, 20026)]