219819978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{249229}}^1$

素因数の和:249251

約数の個数: 36

約数和(自身を含む): 554038290

約数和(自身を除く): 334218312

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 249229, 498458, 747687, 1495374, 1744603, 2243061, 3489206, 4486122, 5233809, 10467618, 12212221, 15701427, 24424442, 31402854, 36636663, 73273326, 109909989, 219819978]

約数ペア:

[(1, 219819978), (2, 109909989), (3, 73273326), (6, 36636663), (7, 31402854), (9, 24424442), (14, 15701427), (18, 12212221), (21, 10467618), (42, 5233809), (49, 4486122), (63, 3489206), (98, 2243061), (126, 1744603), (147, 1495374), (294, 747687), (441, 498458), (882, 249229)]