66871638

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{23663}}^1$

素因数の和:23828

約数の個数: 24

約数和(自身を含む): 145817568

約数和(自身を除く): 78945930

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 23663, 47326, 70989, 141978, 212967, 425934, 3715091, 7430182, 11145273, 22290546, 33435819, 66871638]

約数ペア:

[(1, 66871638), (2, 33435819), (3, 22290546), (6, 11145273), (9, 7430182), (18, 3715091), (157, 425934), (314, 212967), (471, 141978), (942, 70989), (1413, 47326), (2826, 23663)]