1991231143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{6823}}^1$

素因数の和:7494

約数の個数: 16

約数和(自身を含む): 2226698496

約数和(自身を除く): 235467353

約数列:

[1, 11, 43, 473, 617, 6787, 6823, 26531, 75053, 291841, 293389, 3227279, 4209791, 46307701, 181021013, 1991231143]

約数ペア:

[(1, 1991231143), (11, 181021013), (43, 46307701), (473, 4209791), (617, 3227279), (6787, 293389), (6823, 291841), (26531, 75053)]