205291128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1221971}}^1$

素因数の和:1221987

約数の個数: 32

約数和(自身を含む): 586546560

約数和(自身を除く): 381255432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1221971, 2443942, 3665913, 4887884, 7331826, 8553797, 9775768, 14663652, 17107594, 25661391, 29327304, 34215188, 51322782, 68430376, 102645564, 205291128]

約数ペア:

[(1, 205291128), (2, 102645564), (3, 68430376), (4, 51322782), (6, 34215188), (7, 29327304), (8, 25661391), (12, 17107594), (14, 14663652), (21, 9775768), (24, 8553797), (28, 7331826), (42, 4887884), (56, 3665913), (84, 2443942), (168, 1221971)]