217673904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{647839}}^1$

素因数の和:647857

約数の個数: 40

約数和(自身を含む): 642657280

約数和(自身を除く): 424983376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 647839, 1295678, 1943517, 2591356, 3887034, 4534873, 5182712, 7774068, 9069746, 10365424, 13604619, 15548136, 18139492, 27209238, 31096272, 36278984, 54418476, 72557968, 108836952, 217673904]

約数ペア:

[(1, 217673904), (2, 108836952), (3, 72557968), (4, 54418476), (6, 36278984), (7, 31096272), (8, 27209238), (12, 18139492), (14, 15548136), (16, 13604619), (21, 10365424), (24, 9069746), (28, 7774068), (42, 5182712), (48, 4534873), (56, 3887034), (84, 2591356), (112, 1943517), (168, 1295678), (336, 647839)]