138839575

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6247}}^1$

素因数の和:6391

約数の個数: 24

約数和(自身を含む): 198336512

約数和(自身を除く): 59496937

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 889, 3175, 4445, 6247, 22225, 31235, 43729, 156175, 218645, 793369, 1093225, 3966845, 5553583, 19834225, 27767915, 138839575]

約数ペア:

[(1, 138839575), (5, 27767915), (7, 19834225), (25, 5553583), (35, 3966845), (127, 1093225), (175, 793369), (635, 218645), (889, 156175), (3175, 43729), (4445, 31235), (6247, 22225)]