31287308

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 61242048

約数和(自身を除く): 29954740

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1493, 1612, 2986, 5239, 5972, 10478, 19409, 20956, 38818, 46283, 77636, 92566, 185132, 252317, 504634, 601679, 1009268, 1203358, 2406716, 7821827, 15643654, 31287308]

約数ペア:

[(1, 31287308), (2, 15643654), (4, 7821827), (13, 2406716), (26, 1203358), (31, 1009268), (52, 601679), (62, 504634), (124, 252317), (169, 185132), (338, 92566), (403, 77636), (676, 46283), (806, 38818), (1493, 20956), (1612, 19409), (2986, 10478), (5239, 5972)]