81291704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{60127}}^1$

素因数の和:60159

約数の個数: 24

約数和(自身を含む): 165051360

約数和(自身を除く): 83759656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 60127, 120254, 240508, 481016, 781651, 1563302, 3126604, 6253208, 10161463, 20322926, 40645852, 81291704]

約数ペア:

[(1, 81291704), (2, 40645852), (4, 20322926), (8, 10161463), (13, 6253208), (26, 3126604), (52, 1563302), (104, 781651), (169, 481016), (338, 240508), (676, 120254), (1352, 60127)]