67998416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223679}}^1$

素因数の和:223706

約数の個数: 20

約数和(自身を含む): 138681600

約数和(自身を除く): 70683184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 223679, 447358, 894716, 1789432, 3578864, 4249901, 8499802, 16999604, 33999208, 67998416]

約数ペア:

[(1, 67998416), (2, 33999208), (4, 16999604), (8, 8499802), (16, 4249901), (19, 3578864), (38, 1789432), (76, 894716), (152, 447358), (304, 223679)]