257849956

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101197}}^1$

素因数の和:101228

約数の個数: 36

約数和(自身を含む): 565292028

約数和(自身を除く): 307442072

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 101197, 202394, 404788, 708379, 1315561, 1416758, 2631122, 2833516, 4958653, 5262244, 9208927, 9917306, 18417854, 19834612, 36835708, 64462489, 128924978, 257849956]

約数ペア:

[(1, 257849956), (2, 128924978), (4, 64462489), (7, 36835708), (13, 19834612), (14, 18417854), (26, 9917306), (28, 9208927), (49, 5262244), (52, 4958653), (91, 2833516), (98, 2631122), (182, 1416758), (196, 1315561), (364, 708379), (637, 404788), (1274, 202394), (2548, 101197)]