66991888

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{13463}}^1$

素因数の和:13782

約数の個数: 20

約数和(自身を含む): 130223808

約数和(自身を除く): 63231920

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 13463, 26926, 53852, 107704, 215408, 4186993, 8373986, 16747972, 33495944, 66991888]

約数ペア:

[(1, 66991888), (2, 33495944), (4, 16747972), (8, 8373986), (16, 4186993), (311, 215408), (622, 107704), (1244, 53852), (2488, 26926), (4976, 13463)]