81066916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 166924800

約数和(自身を除く): 85857884

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 229, 269, 329, 458, 538, 658, 916, 1076, 1316, 1603, 1883, 3206, 3766, 6412, 7532, 10763, 12643, 21526, 25286, 43052, 50572, 61601, 75341, 88501, 123202, 150682, 177002, 246404, 301364, 354004, 431207, 862414, 1724828, 2895247, 5790494, 11580988, 20266729, 40533458, 81066916]

約数ペア:

[(1, 81066916), (2, 40533458), (4, 20266729), (7, 11580988), (14, 5790494), (28, 2895247), (47, 1724828), (94, 862414), (188, 431207), (229, 354004), (269, 301364), (329, 246404), (458, 177002), (538, 150682), (658, 123202), (916, 88501), (1076, 75341), (1316, 61601), (1603, 50572), (1883, 43052), (3206, 25286), (3766, 21526), (6412, 12643), (7532, 10763)]