66720136

素因数分解:

$2^3\times 7^1\times {\mathrm{1191431}}^1$

素因数の和:1191444

約数の個数: 16

約数和(自身を含む): 142971840

約数和(自身を除く): 76251704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1191431, 2382862, 4765724, 8340017, 9531448, 16680034, 33360068, 66720136]

約数ペア:

[(1, 66720136), (2, 33360068), (4, 16680034), (7, 9531448), (8, 8340017), (14, 4765724), (28, 2382862), (56, 1191431)]