128492

素因数分解:

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

素因数の和:377

約数の個数: 24

約数和(自身を含む): 277536

約数和(自身を除く): 149044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 353, 364, 706, 1412, 2471, 4589, 4942, 9178, 9884, 18356, 32123, 64246, 128492]

約数ペア:

[(1, 128492), (2, 64246), (4, 32123), (7, 18356), (13, 9884), (14, 9178), (26, 4942), (28, 4589), (52, 2471), (91, 1412), (182, 706), (353, 364)]