209384147

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 258971520

約数和(自身を除く): 49587373

約数列:

[1, 7, 29, 37, 61, 203, 259, 427, 457, 1073, 1769, 2257, 3199, 7511, 12383, 13253, 15799, 16909, 27877, 65453, 92771, 118363, 195139, 458171, 490361, 808433, 1031449, 3432527, 5659031, 7220143, 29912021, 209384147]

約数ペア:

[(1, 209384147), (7, 29912021), (29, 7220143), (37, 5659031), (61, 3432527), (203, 1031449), (259, 808433), (427, 490361), (457, 458171), (1073, 195139), (1769, 118363), (2257, 92771), (3199, 65453), (7511, 27877), (12383, 16909), (13253, 15799)]