28022071

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1100

約数の個数: 20

約数和(自身を含む): 35695944

約数和(自身を除く): 7673873

約数列:

[1, 7, 11, 49, 77, 343, 539, 1061, 2401, 3773, 7427, 11671, 26411, 51989, 81697, 363923, 571879, 2547461, 4003153, 28022071]

約数ペア:

[(1, 28022071), (7, 4003153), (11, 2547461), (49, 571879), (77, 363923), (343, 81697), (539, 51989), (1061, 26411), (2401, 11671), (3773, 7427)]