217422828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{862789}}^1$

素因数の和:862806

約数の個数: 36

約数和(自身を含む): 628111120

約数和(自身を除く): 410688292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 862789, 1725578, 2588367, 3451156, 5176734, 6039523, 7765101, 10353468, 12079046, 15530202, 18118569, 24158092, 31060404, 36237138, 54355707, 72474276, 108711414, 217422828]

約数ペア:

[(1, 217422828), (2, 108711414), (3, 72474276), (4, 54355707), (6, 36237138), (7, 31060404), (9, 24158092), (12, 18118569), (14, 15530202), (18, 12079046), (21, 10353468), (28, 7765101), (36, 6039523), (42, 5176734), (63, 3451156), (84, 2588367), (126, 1725578), (252, 862789)]