20161816565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{26893}}^1$

素因数の和:27269

約数の個数: 32

約数和(自身を含む): 27093661056

約数和(自身を除く): 6931844491

約数列:

[1, 5, 11, 43, 55, 215, 317, 473, 1585, 2365, 3487, 13631, 17435, 26893, 68155, 134465, 149941, 295823, 749705, 1156399, 1479115, 5781995, 8525081, 12720389, 42625405, 63601945, 93775891, 366578483, 468879455, 1832892415, 4032363313, 20161816565]

約数ペア:

[(1, 20161816565), (5, 4032363313), (11, 1832892415), (43, 468879455), (55, 366578483), (215, 93775891), (317, 63601945), (473, 42625405), (1585, 12720389), (2365, 8525081), (3487, 5781995), (13631, 1479115), (17435, 1156399), (26893, 749705), (68155, 295823), (134465, 149941)]