138556684

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{20533}}^1$

素因数の和:20785

約数の個数: 24

約数和(自身を含む): 278276768

約数和(自身を除く): 139720084

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 964, 1687, 3374, 6748, 20533, 41066, 82132, 143731, 287462, 574924, 4948453, 9896906, 19793812, 34639171, 69278342, 138556684]

約数ペア:

[(1, 138556684), (2, 69278342), (4, 34639171), (7, 19793812), (14, 9896906), (28, 4948453), (241, 574924), (482, 287462), (964, 143731), (1687, 82132), (3374, 41066), (6748, 20533)]