81400124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{6091}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 154030128

約数和(自身を除く): 72630004

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 3341, 6091, 6682, 12182, 13364, 24364, 79183, 158366, 316732, 1565387, 3130774, 6261548, 20350031, 40700062, 81400124]

約数ペア:

[(1, 81400124), (2, 40700062), (4, 20350031), (13, 6261548), (26, 3130774), (52, 1565387), (257, 316732), (514, 158366), (1028, 79183), (3341, 24364), (6091, 13364), (6682, 12182)]