16890536

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 35450100

約数和(自身を除く): 18559564

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 806, 961, 1352, 1612, 1922, 2197, 3224, 3844, 4394, 5239, 7688, 8788, 10478, 12493, 17576, 20956, 24986, 41912, 49972, 68107, 99944, 136214, 162409, 272428, 324818, 544856, 649636, 1299272, 2111317, 4222634, 8445268, 16890536]

約数ペア:

[(1, 16890536), (2, 8445268), (4, 4222634), (8, 2111317), (13, 1299272), (26, 649636), (31, 544856), (52, 324818), (62, 272428), (104, 162409), (124, 136214), (169, 99944), (248, 68107), (338, 49972), (403, 41912), (676, 24986), (806, 20956), (961, 17576), (1352, 12493), (1612, 10478), (1922, 8788), (2197, 7688), (3224, 5239), (3844, 4394)]