199971644

素因数分解:

$2^2\times {\mathrm{1181}}^1\times {\mathrm{42331}}^1$

素因数の和:43516

約数の個数: 12

約数和(自身を含む): 350254968

約数和(自身を除く): 150283324

約数列:

[1, 2, 4, 1181, 2362, 4724, 42331, 84662, 169324, 49992911, 99985822, 199971644]

約数ペア:

[(1, 199971644), (2, 99985822), (4, 49992911), (1181, 169324), (2362, 84662), (4724, 42331)]