66233648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318431}}^1$

素因数の和:318452

約数の個数: 20

約数和(自身を含む): 138199488

約数和(自身を除く): 71965840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318431, 636862, 1273724, 2547448, 4139603, 5094896, 8279206, 16558412, 33116824, 66233648]

約数ペア:

[(1, 66233648), (2, 33116824), (4, 16558412), (8, 8279206), (13, 5094896), (16, 4139603), (26, 2547448), (52, 1273724), (104, 636862), (208, 318431)]