256519774

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{683}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 445858560

約数和(自身を除く): 189338786

約数列:

[1, 2, 7, 14, 139, 193, 278, 386, 683, 973, 1351, 1366, 1946, 2702, 4781, 9562, 26827, 53654, 94937, 131819, 187789, 189874, 263638, 375578, 664559, 922733, 1329118, 1845466, 18322841, 36645682, 128259887, 256519774]

約数ペア:

[(1, 256519774), (2, 128259887), (7, 36645682), (14, 18322841), (139, 1845466), (193, 1329118), (278, 922733), (386, 664559), (683, 375578), (973, 263638), (1351, 189874), (1366, 187789), (1946, 131819), (2702, 94937), (4781, 53654), (9562, 26827)]