201821008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{15787}}^1$

素因数の和:15859

約数の個数: 40

約数和(自身を含む): 422865792

約数和(自身を除く): 221044784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3196, 6392, 12784, 15787, 31574, 63148, 126296, 252592, 268379, 536758, 741989, 1073516, 1483978, 2147032, 2967956, 4294064, 5935912, 11871824, 12613813, 25227626, 50455252, 100910504, 201821008]

約数ペア:

[(1, 201821008), (2, 100910504), (4, 50455252), (8, 25227626), (16, 12613813), (17, 11871824), (34, 5935912), (47, 4294064), (68, 2967956), (94, 2147032), (136, 1483978), (188, 1073516), (272, 741989), (376, 536758), (752, 268379), (799, 252592), (1598, 126296), (3196, 63148), (6392, 31574), (12784, 15787)]