317564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 620928

約数和(自身を除く): 303364

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 197, 394, 403, 788, 806, 1612, 2561, 5122, 6107, 10244, 12214, 24428, 79391, 158782, 317564]

約数ペア:

[(1, 317564), (2, 158782), (4, 79391), (13, 24428), (26, 12214), (31, 10244), (52, 6107), (62, 5122), (124, 2561), (197, 1612), (394, 806), (403, 788)]