26780728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13553}}^1$

素因数の和:13591

約数の個数: 32

約数和(自身を含む): 56926800

約数和(自身を除く): 30146072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 13553, 27106, 54212, 108424, 176189, 257507, 352378, 515014, 704756, 1030028, 1409512, 2060056, 3347591, 6695182, 13390364, 26780728]

約数ペア:

[(1, 26780728), (2, 13390364), (4, 6695182), (8, 3347591), (13, 2060056), (19, 1409512), (26, 1030028), (38, 704756), (52, 515014), (76, 352378), (104, 257507), (152, 176189), (247, 108424), (494, 54212), (988, 27106), (1976, 13553)]