201229456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661939}}^1$

素因数の和:661966

約数の個数: 20

約数和(自身を含む): 410402800

約数和(自身を除く): 209173344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661939, 1323878, 2647756, 5295512, 10591024, 12576841, 25153682, 50307364, 100614728, 201229456]

約数ペア:

[(1, 201229456), (2, 100614728), (4, 50307364), (8, 25153682), (16, 12576841), (19, 10591024), (38, 5295512), (76, 2647756), (152, 1323878), (304, 661939)]