218918672

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2711}}^1$

素因数の和:2836

約数の個数: 60

約数和(自身を含む): 498378816

約数和(自身を除く): 279460144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 112, 196, 206, 392, 412, 721, 784, 824, 1442, 1648, 2711, 2884, 5047, 5422, 5768, 10094, 10844, 11536, 18977, 20188, 21688, 37954, 40376, 43376, 75908, 80752, 132839, 151816, 265678, 279233, 303632, 531356, 558466, 1062712, 1116932, 1954631, 2125424, 2233864, 3909262, 4467728, 7818524, 13682417, 15637048, 27364834, 31274096, 54729668, 109459336, 218918672]

約数ペア:

[(1, 218918672), (2, 109459336), (4, 54729668), (7, 31274096), (8, 27364834), (14, 15637048), (16, 13682417), (28, 7818524), (49, 4467728), (56, 3909262), (98, 2233864), (103, 2125424), (112, 1954631), (196, 1116932), (206, 1062712), (392, 558466), (412, 531356), (721, 303632), (784, 279233), (824, 265678), (1442, 151816), (1648, 132839), (2711, 80752), (2884, 75908), (5047, 43376), (5422, 40376), (5768, 37954), (10094, 21688), (10844, 20188), (11536, 18977)]