26971568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129671}}^1$

素因数の和:129692

約数の個数: 20

約数和(自身を含む): 56277648

約数和(自身を除く): 29306080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129671, 259342, 518684, 1037368, 1685723, 2074736, 3371446, 6742892, 13485784, 26971568]

約数ペア:

[(1, 26971568), (2, 13485784), (4, 6742892), (8, 3371446), (13, 2074736), (16, 1685723), (26, 1037368), (52, 518684), (104, 259342), (208, 129671)]