81529456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268189}}^1$

素因数の和:268216

約数の個数: 20

約数和(自身を含む): 166277800

約数和(自身を除く): 84748344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268189, 536378, 1072756, 2145512, 4291024, 5095591, 10191182, 20382364, 40764728, 81529456]

約数ペア:

[(1, 81529456), (2, 40764728), (4, 20382364), (8, 10191182), (16, 5095591), (19, 4291024), (38, 2145512), (76, 1072756), (152, 536378), (304, 268189)]