78181456

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{19013}}^1$

素因数の和:19278

約数の個数: 20

約数和(自身を含む): 152073972

約数和(自身を除く): 73892516

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 19013, 38026, 76052, 152104, 304208, 4886341, 9772682, 19545364, 39090728, 78181456]

約数ペア:

[(1, 78181456), (2, 39090728), (4, 19545364), (8, 9772682), (16, 4886341), (257, 304208), (514, 152104), (1028, 76052), (2056, 38026), (4112, 19013)]