28114724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{638971}}^1$

素因数の和:638986

約数の個数: 12

約数和(自身を含む): 53673648

約数和(自身を除く): 25558924

約数列:

[1, 2, 4, 11, 22, 44, 638971, 1277942, 2555884, 7028681, 14057362, 28114724]

約数ペア:

[(1, 28114724), (2, 14057362), (4, 7028681), (11, 2555884), (22, 1277942), (44, 638971)]