27751568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 58522296

約数和(自身を除く): 30770728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1321, 1616, 2626, 2642, 5252, 5284, 10504, 10568, 17173, 21008, 21136, 34346, 68692, 133421, 137384, 266842, 274768, 533684, 1067368, 1734473, 2134736, 3468946, 6937892, 13875784, 27751568]

約数ペア:

[(1, 27751568), (2, 13875784), (4, 6937892), (8, 3468946), (13, 2134736), (16, 1734473), (26, 1067368), (52, 533684), (101, 274768), (104, 266842), (202, 137384), (208, 133421), (404, 68692), (808, 34346), (1313, 21136), (1321, 21008), (1616, 17173), (2626, 10568), (2642, 10504), (5252, 5284)]