28032706

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 24

約数和(自身を含む): 45872244

約数和(自身を除く): 17839538

約数列:

[1, 2, 13, 26, 169, 197, 338, 394, 421, 842, 2561, 5122, 5473, 10946, 33293, 66586, 71149, 82937, 142298, 165874, 1078181, 2156362, 14016353, 28032706]

約数ペア:

[(1, 28032706), (2, 14016353), (13, 2156362), (26, 1078181), (169, 165874), (197, 142298), (338, 82937), (394, 71149), (421, 66586), (842, 33293), (2561, 10946), (5122, 5473)]