28406609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21701}}^1$

素因数の和:21736

約数の個数: 16

約数和(自身を含む): 37501056

約数和(自身を除く): 9094447

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21701, 151907, 238711, 368917, 1670977, 2582419, 4058087, 28406609]

約数ペア:

[(1, 28406609), (7, 4058087), (11, 2582419), (17, 1670977), (77, 368917), (119, 238711), (187, 151907), (1309, 21701)]