2154684890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{309137}}^1$

素因数の和:309202

約数の個数: 32

約数和(自身を含む): 4206749904

約数和(自身を除く): 2052065014

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 309137, 618274, 1545685, 3091370, 5255329, 10510658, 12674617, 25349234, 26276645, 52553290, 63373085, 126746170, 215468489, 430936978, 1077342445, 2154684890]

約数ペア:

[(1, 2154684890), (2, 1077342445), (5, 430936978), (10, 215468489), (17, 126746170), (34, 63373085), (41, 52553290), (82, 26276645), (85, 25349234), (170, 12674617), (205, 10510658), (410, 5255329), (697, 3091370), (1394, 1545685), (3485, 618274), (6970, 309137)]