66539816

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{6221}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 143354880

約数和(自身を除く): 76815064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 6221, 10696, 12442, 24884, 43547, 49768, 87094, 174188, 348376, 1188211, 2376422, 4752844, 8317477, 9505688, 16634954, 33269908, 66539816]

約数ペア:

[(1, 66539816), (2, 33269908), (4, 16634954), (7, 9505688), (8, 8317477), (14, 4752844), (28, 2376422), (56, 1188211), (191, 348376), (382, 174188), (764, 87094), (1337, 49768), (1528, 43547), (2674, 24884), (5348, 12442), (6221, 10696)]