208706552

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{90271}}^1$

素因数の和:90311

約数の個数: 24

約数和(自身を含む): 415702560

約数和(自身を除く): 206996008

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 90271, 180542, 361084, 722168, 1534607, 3069214, 6138428, 12276856, 26088319, 52176638, 104353276, 208706552]

約数ペア:

[(1, 208706552), (2, 104353276), (4, 52176638), (8, 26088319), (17, 12276856), (34, 6138428), (68, 3069214), (136, 1534607), (289, 722168), (578, 361084), (1156, 180542), (2312, 90271)]