199074407

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{176641}}^1$

素因数の和:176678

約数の個数: 12

約数和(自身を含む): 241646256

約数和(自身を除く): 42571849

約数列:

[1, 7, 23, 49, 161, 1127, 176641, 1236487, 4062743, 8655409, 28439201, 199074407]

約数ペア:

[(1, 199074407), (7, 28439201), (23, 8655409), (49, 4062743), (161, 1236487), (1127, 176641)]