199557939412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{21202501}}^1$

素因数の和:21202699

約数の個数: 24

約数和(自身を含む): 378167825672

約数和(自身を除く): 178609886260

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 9412, 21202501, 42405002, 84810004, 275632513, 551265026, 1102530052, 3837652681, 7675305362, 15350610724, 49889484853, 99778969706, 199557939412]

約数ペア:

[(1, 199557939412), (2, 99778969706), (4, 49889484853), (13, 15350610724), (26, 7675305362), (52, 3837652681), (181, 1102530052), (362, 551265026), (724, 275632513), (2353, 84810004), (4706, 42405002), (9412, 21202501)]