198778917

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{1709}}^1$

素因数の和:2132

約数の個数: 16

約数和(自身を含む): 268073280

約数和(自身を除く): 69294363

約数列:

[1, 3, 137, 283, 411, 849, 1709, 5127, 38771, 116313, 234133, 483647, 702399, 1450941, 66259639, 198778917]

約数ペア:

[(1, 198778917), (3, 66259639), (137, 1450941), (283, 702399), (411, 483647), (849, 234133), (1709, 116313), (5127, 38771)]