28211029

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 37325120

約数和(自身を除く): 9114091

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 1753, 2299, 12271, 16093, 19283, 33307, 134981, 212113, 233149, 366377, 1484791, 2564639, 4030147, 28211029]

約数ペア:

[(1, 28211029), (7, 4030147), (11, 2564639), (19, 1484791), (77, 366377), (121, 233149), (133, 212113), (209, 134981), (847, 33307), (1463, 19283), (1753, 16093), (2299, 12271)]