209535898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3719}}^1$

素因数の和:3942

約数の個数: 32

約数和(自身を含む): 371226240

約数和(自身を除く): 161690342

約数列:

[1, 2, 11, 13, 22, 26, 143, 197, 286, 394, 2167, 2561, 3719, 4334, 5122, 7438, 28171, 40909, 48347, 56342, 81818, 96694, 531817, 732643, 1063634, 1465286, 8059073, 9524359, 16118146, 19048718, 104767949, 209535898]

約数ペア:

[(1, 209535898), (2, 104767949), (11, 19048718), (13, 16118146), (22, 9524359), (26, 8059073), (143, 1465286), (197, 1063634), (286, 732643), (394, 531817), (2167, 96694), (2561, 81818), (3719, 56342), (4334, 48347), (5122, 40909), (7438, 28171)]