51689785

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4091}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 74834496

約数和(自身を除く): 23144711

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1805, 2527, 4091, 12635, 20455, 28637, 77729, 143185, 388645, 544103, 1476851, 2720515, 7384255, 10337957, 51689785]

約数ペア:

[(1, 51689785), (5, 10337957), (7, 7384255), (19, 2720515), (35, 1476851), (95, 544103), (133, 388645), (361, 143185), (665, 77729), (1805, 28637), (2527, 20455), (4091, 12635)]