155165438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{21157}}^1$

素因数の和:21371

約数の個数: 16

約数和(自身を含む): 246279120

約数和(自身を除く): 91113682

約数列:

[1, 2, 19, 38, 193, 386, 3667, 7334, 21157, 42314, 401983, 803966, 4083301, 8166602, 77582719, 155165438]

約数ペア:

[(1, 155165438), (2, 77582719), (19, 8166602), (38, 4083301), (193, 803966), (386, 401983), (3667, 42314), (7334, 21157)]