68558608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 137888000

約数和(自身を除く): 69329392

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 277, 496, 499, 554, 998, 1108, 1996, 2216, 3992, 4432, 7984, 8587, 15469, 17174, 30938, 34348, 61876, 68696, 123752, 137392, 138223, 247504, 276446, 552892, 1105784, 2211568, 4284913, 8569826, 17139652, 34279304, 68558608]

約数ペア:

[(1, 68558608), (2, 34279304), (4, 17139652), (8, 8569826), (16, 4284913), (31, 2211568), (62, 1105784), (124, 552892), (248, 276446), (277, 247504), (496, 138223), (499, 137392), (554, 123752), (998, 68696), (1108, 61876), (1996, 34348), (2216, 30938), (3992, 17174), (4432, 15469), (7984, 8587)]