199378804

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{124301}}^1$

素因数の和:124706

約数の個数: 12

約数和(自身を含む): 349785828

約数和(自身を除く): 150407024

約数列:

[1, 2, 4, 401, 802, 1604, 124301, 248602, 497204, 49844701, 99689402, 199378804]

約数ペア:

[(1, 199378804), (2, 99689402), (4, 49844701), (401, 497204), (802, 248602), (1604, 124301)]