243974864

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21149}}^1$

素因数の和:21267

約数の個数: 40

約数和(自身を含む): 545500800

約数和(自身を除く): 301525936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 21149, 42298, 84596, 148043, 169192, 296086, 338384, 592172, 1184344, 2178347, 2368688, 4356694, 8713388, 15248429, 17426776, 30496858, 34853552, 60993716, 121987432, 243974864]

約数ペア:

[(1, 243974864), (2, 121987432), (4, 60993716), (7, 34853552), (8, 30496858), (14, 17426776), (16, 15248429), (28, 8713388), (56, 4356694), (103, 2368688), (112, 2178347), (206, 1184344), (412, 592172), (721, 338384), (824, 296086), (1442, 169192), (1648, 148043), (2884, 84596), (5768, 42298), (11536, 21149)]