66749564

素因数分解:

$2^2\times 7^2\times {\mathrm{340559}}^1$

素因数の和:340577

約数の個数: 18

約数和(自身を含む): 135883440

約数和(自身を除く): 69133876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340559, 681118, 1362236, 2383913, 4767826, 9535652, 16687391, 33374782, 66749564]

約数ペア:

[(1, 66749564), (2, 33374782), (4, 16687391), (7, 9535652), (14, 4767826), (28, 2383913), (49, 1362236), (98, 681118), (196, 340559)]