254757257

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 283483800

約数和(自身を除く): 28726543

約数列:

[1, 17, 29, 113, 269, 289, 493, 1921, 3277, 4573, 7801, 8381, 30397, 32657, 55709, 77741, 132617, 516749, 881513, 947053, 2254489, 8784733, 14985721, 254757257]

約数ペア:

[(1, 254757257), (17, 14985721), (29, 8784733), (113, 2254489), (269, 947053), (289, 881513), (493, 516749), (1921, 132617), (3277, 77741), (4573, 55709), (7801, 32657), (8381, 30397)]