138729808

素因数分解:

$2^4\times 7^1\times {\mathrm{1238659}}^1$

素因数の和:1238674

約数の個数: 20

約数和(自身を含む): 307187680

約数和(自身を除く): 168457872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1238659, 2477318, 4954636, 8670613, 9909272, 17341226, 19818544, 34682452, 69364904, 138729808]

約数ペア:

[(1, 138729808), (2, 69364904), (4, 34682452), (7, 19818544), (8, 17341226), (14, 9909272), (16, 8670613), (28, 4954636), (56, 2477318), (112, 1238659)]