1980426239

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 2236991904

約数和(自身を除く): 256565665

約数列:

[1, 11, 41, 121, 451, 617, 647, 4961, 6787, 7117, 25297, 26527, 74657, 78287, 278267, 291797, 399199, 3060937, 3209767, 4391189, 16367159, 48303079, 180038749, 1980426239]

約数ペア:

[(1, 1980426239), (11, 180038749), (41, 48303079), (121, 16367159), (451, 4391189), (617, 3209767), (647, 3060937), (4961, 399199), (6787, 291797), (7117, 278267), (25297, 78287), (26527, 74657)]