25671989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 7401931

約数列:

[1, 7, 17, 29, 43, 119, 173, 203, 301, 493, 731, 1211, 1247, 2941, 3451, 5017, 5117, 7439, 8729, 20587, 21199, 35119, 52073, 85289, 126463, 148393, 215731, 597023, 885241, 1510117, 3667427, 25671989]

約数ペア:

[(1, 25671989), (7, 3667427), (17, 1510117), (29, 885241), (43, 597023), (119, 215731), (173, 148393), (203, 126463), (301, 85289), (493, 52073), (731, 35119), (1211, 21199), (1247, 20587), (2941, 8729), (3451, 7439), (5017, 5117)]