201991864318

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{20957861}}^1$

素因数の和:20958003

約数の個数: 16

約数和(自身を含む): 311852986560

約数和(自身を除く): 109861122242

約数列:

[1, 2, 61, 79, 122, 158, 4819, 9638, 20957861, 41915722, 1278429521, 1655671019, 2556859042, 3311342038, 100995932159, 201991864318]

約数ペア:

[(1, 201991864318), (2, 100995932159), (61, 3311342038), (79, 2556859042), (122, 1655671019), (158, 1278429521), (4819, 41915722), (9638, 20957861)]