81639916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{11887}}^1$

素因数の和:12009

約数の個数: 24

約数和(自身を含む): 152784576

約数和(自身を除く): 71144660

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3434, 6868, 11887, 23774, 47548, 202079, 404158, 808316, 1200587, 2401174, 4802348, 20409979, 40819958, 81639916]

約数ペア:

[(1, 81639916), (2, 40819958), (4, 20409979), (17, 4802348), (34, 2401174), (68, 1200587), (101, 808316), (202, 404158), (404, 202079), (1717, 47548), (3434, 23774), (6868, 11887)]