221496156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{878953}}^1$

素因数の和:878970

約数の個数: 36

約数和(自身を含む): 639878512

約数和(自身を除く): 418382356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 878953, 1757906, 2636859, 3515812, 5273718, 6152671, 7910577, 10547436, 12305342, 15821154, 18458013, 24610684, 31642308, 36916026, 55374039, 73832052, 110748078, 221496156]

約数ペア:

[(1, 221496156), (2, 110748078), (3, 73832052), (4, 55374039), (6, 36916026), (7, 31642308), (9, 24610684), (12, 18458013), (14, 15821154), (18, 12305342), (21, 10547436), (28, 7910577), (36, 6152671), (42, 5273718), (63, 3515812), (84, 2636859), (126, 1757906), (252, 878953)]