220199152

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{128621}}^1$

素因数の和:128736

約数の個数: 20

約数和(自身を含む): 430626456

約数和(自身を除く): 210427304

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 128621, 257242, 514484, 1028968, 2057936, 13762447, 27524894, 55049788, 110099576, 220199152]

約数ペア:

[(1, 220199152), (2, 110099576), (4, 55049788), (8, 27524894), (16, 13762447), (107, 2057936), (214, 1028968), (428, 514484), (856, 257242), (1712, 128621)]