137996816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{210361}}^1$

素因数の和:210410

約数の個数: 20

約数和(自身を含む): 273891324

約数和(自身を除く): 135894508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 210361, 420722, 841444, 1682888, 3365776, 8624801, 17249602, 34499204, 68998408, 137996816]

約数ペア:

[(1, 137996816), (2, 68998408), (4, 34499204), (8, 17249602), (16, 8624801), (41, 3365776), (82, 1682888), (164, 841444), (328, 420722), (656, 210361)]