51721553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 59911488

約数和(自身を除く): 8189935

約数列:

[1, 13, 19, 103, 107, 247, 361, 1339, 1391, 1957, 2033, 4693, 11021, 25441, 26429, 37183, 38627, 143273, 209399, 483379, 502151, 2722187, 3978581, 51721553]

約数ペア:

[(1, 51721553), (13, 3978581), (19, 2722187), (103, 502151), (107, 483379), (247, 209399), (361, 143273), (1339, 38627), (1391, 37183), (1957, 26429), (2033, 25441), (4693, 11021)]