2001159215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{408817}}^1$

素因数の和:408922

約数の個数: 16

約数和(自身を含む): 2649140640

約数和(自身を除く): 647981425

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 408817, 2044085, 4496987, 22484935, 36384713, 181923565, 400231843, 2001159215]

約数ペア:

[(1, 2001159215), (5, 400231843), (11, 181923565), (55, 36384713), (89, 22484935), (445, 4496987), (979, 2044085), (4895, 408817)]