221437188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{878719}}^1$

素因数の和:878736

約数の個数: 36

約数和(自身を含む): 639708160

約数和(自身を除く): 418270972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 878719, 1757438, 2636157, 3514876, 5272314, 6151033, 7908471, 10544628, 12302066, 15816942, 18453099, 24604132, 31633884, 36906198, 55359297, 73812396, 110718594, 221437188]

約数ペア:

[(1, 221437188), (2, 110718594), (3, 73812396), (4, 55359297), (6, 36906198), (7, 31633884), (9, 24604132), (12, 18453099), (14, 15816942), (18, 12302066), (21, 10544628), (28, 7908471), (36, 6151033), (42, 5272314), (63, 3514876), (84, 2636157), (126, 1757438), (252, 878719)]