217663824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{647809}}^1$

素因数の和:647827

約数の個数: 40

約数和(自身を含む): 642627520

約数和(自身を除く): 424963696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 647809, 1295618, 1943427, 2591236, 3886854, 4534663, 5182472, 7773708, 9069326, 10364944, 13603989, 15547416, 18138652, 27207978, 31094832, 36277304, 54415956, 72554608, 108831912, 217663824]

約数ペア:

[(1, 217663824), (2, 108831912), (3, 72554608), (4, 54415956), (6, 36277304), (7, 31094832), (8, 27207978), (12, 18138652), (14, 15547416), (16, 13603989), (21, 10364944), (24, 9069326), (28, 7773708), (42, 5182472), (48, 4534663), (56, 3886854), (84, 2591236), (112, 1943427), (168, 1295618), (336, 647809)]