27939908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{641}}^2$

素因数の和:1303

約数の個数: 18

約数和(自身を含む): 51851898

約数和(自身を除く): 23911990

約数列:

[1, 2, 4, 17, 34, 68, 641, 1282, 2564, 10897, 21794, 43588, 410881, 821762, 1643524, 6984977, 13969954, 27939908]

約数ペア:

[(1, 27939908), (2, 13969954), (4, 6984977), (17, 1643524), (34, 821762), (68, 410881), (641, 43588), (1282, 21794), (2564, 10897)]