211988196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{841223}}^1$

素因数の和:841240

約数の個数: 36

約数和(自身を含む): 612411072

約数和(自身を除く): 400422876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 841223, 1682446, 2523669, 3364892, 5047338, 5888561, 7571007, 10094676, 11777122, 15142014, 17665683, 23554244, 30284028, 35331366, 52997049, 70662732, 105994098, 211988196]

約数ペア:

[(1, 211988196), (2, 105994098), (3, 70662732), (4, 52997049), (6, 35331366), (7, 30284028), (9, 23554244), (12, 17665683), (14, 15142014), (18, 11777122), (21, 10094676), (28, 7571007), (36, 5888561), (42, 5047338), (63, 3364892), (84, 2523669), (126, 1682446), (252, 841223)]