274330987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 342766080

約数和(自身を除く): 68435093

約数列:

[1, 7, 19, 37, 107, 133, 259, 521, 703, 749, 2033, 3647, 3959, 4921, 9899, 14231, 19277, 27713, 55747, 69293, 75221, 134939, 366263, 390229, 526547, 1059193, 2062639, 2563841, 7414351, 14438473, 39190141, 274330987]

約数ペア:

[(1, 274330987), (7, 39190141), (19, 14438473), (37, 7414351), (107, 2563841), (133, 2062639), (259, 1059193), (521, 526547), (703, 390229), (749, 366263), (2033, 134939), (3647, 75221), (3959, 69293), (4921, 55747), (9899, 27713), (14231, 19277)]