66715705

素因数分解:

$5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 93538368

約数和(自身を除く): 26822663

約数列:

[1, 5, 7, 35, 49, 245, 307, 887, 1535, 2149, 4435, 6209, 10745, 15043, 31045, 43463, 75215, 217315, 272309, 1361545, 1906163, 9530815, 13343141, 66715705]

約数ペア:

[(1, 66715705), (5, 13343141), (7, 9530815), (35, 1906163), (49, 1361545), (245, 272309), (307, 217315), (887, 75215), (1535, 43463), (2149, 31045), (4435, 15043), (6209, 10745)]