51109289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28859}}^1$

素因数の和:28900

約数の個数: 16

約数和(自身を含む): 66493440

約数和(自身を除く): 15384151

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 28859, 202013, 317449, 663757, 2222143, 4646299, 7301327, 51109289]

約数ペア:

[(1, 51109289), (7, 7301327), (11, 4646299), (23, 2222143), (77, 663757), (161, 317449), (253, 202013), (1771, 28859)]