207423073

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 252806400

約数和(自身を除く): 45383327

約数列:

[1, 11, 13, 37, 143, 197, 199, 407, 481, 2167, 2189, 2561, 2587, 5291, 7289, 7363, 28171, 28457, 39203, 80179, 80993, 94757, 95719, 431233, 509639, 1042327, 1052909, 1450511, 5606029, 15955621, 18856643, 207423073]

約数ペア:

[(1, 207423073), (11, 18856643), (13, 15955621), (37, 5606029), (143, 1450511), (197, 1052909), (199, 1042327), (407, 509639), (481, 431233), (2167, 95719), (2189, 94757), (2561, 80993), (2587, 80179), (5291, 39203), (7289, 28457), (7363, 28171)]