199626412

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{118543}}^1$

素因数の和:118968

約数の個数: 12

約数和(自身を含む): 350178976

約数和(自身を除く): 150552564

約数列:

[1, 2, 4, 421, 842, 1684, 118543, 237086, 474172, 49906603, 99813206, 199626412]

約数ペア:

[(1, 199626412), (2, 99813206), (4, 49906603), (421, 474172), (842, 237086), (1684, 118543)]