281373071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 348364800

約数和(自身を除く): 66991729

約数列:

[1, 7, 19, 71, 83, 133, 359, 497, 581, 1349, 1577, 2513, 5893, 6821, 9443, 11039, 25489, 29797, 41251, 47747, 111967, 178423, 208579, 484291, 566143, 783769, 2115587, 3390037, 3963001, 14809109, 40196153, 281373071]

約数ペア:

[(1, 281373071), (7, 40196153), (19, 14809109), (71, 3963001), (83, 3390037), (133, 2115587), (359, 783769), (497, 566143), (581, 484291), (1349, 208579), (1577, 178423), (2513, 111967), (5893, 47747), (6821, 41251), (9443, 29797), (11039, 25489)]