256984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 594720

約数和(自身を除く): 337736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 353, 364, 706, 728, 1412, 2471, 2824, 4589, 4942, 9178, 9884, 18356, 19768, 32123, 36712, 64246, 128492, 256984]

約数ペア:

[(1, 256984), (2, 128492), (4, 64246), (7, 36712), (8, 32123), (13, 19768), (14, 18356), (26, 9884), (28, 9178), (52, 4942), (56, 4589), (91, 2824), (104, 2471), (182, 1412), (353, 728), (364, 706)]