218224748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3541}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 457003008

約数和(自身を除く): 238778260

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 434, 497, 868, 994, 1988, 2201, 3541, 4402, 7082, 8804, 14164, 15407, 24787, 30814, 49574, 61628, 99148, 109771, 219542, 251411, 439084, 502822, 768397, 1005644, 1536794, 1759877, 3073588, 3519754, 7039508, 7793741, 15587482, 31174964, 54556187, 109112374, 218224748]

約数ペア:

[(1, 218224748), (2, 109112374), (4, 54556187), (7, 31174964), (14, 15587482), (28, 7793741), (31, 7039508), (62, 3519754), (71, 3073588), (124, 1759877), (142, 1536794), (217, 1005644), (284, 768397), (434, 502822), (497, 439084), (868, 251411), (994, 219542), (1988, 109771), (2201, 99148), (3541, 61628), (4402, 49574), (7082, 30814), (8804, 24787), (14164, 15407)]