66400744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 131508000

約数和(自身を除く): 65107256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1123, 1556, 2246, 3112, 4492, 7391, 8984, 14782, 21337, 29564, 42674, 59128, 85348, 170696, 436847, 873694, 1747388, 3494776, 8300093, 16600186, 33200372, 66400744]

約数ペア:

[(1, 66400744), (2, 33200372), (4, 16600186), (8, 8300093), (19, 3494776), (38, 1747388), (76, 873694), (152, 436847), (389, 170696), (778, 85348), (1123, 59128), (1556, 42674), (2246, 29564), (3112, 21337), (4492, 14782), (7391, 8984)]