64981936

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{15803}}^1$

素因数の和:16068

約数の個数: 20

約数和(自身を含む): 126400392

約数和(自身を除く): 61418456

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 15803, 31606, 63212, 126424, 252848, 4061371, 8122742, 16245484, 32490968, 64981936]

約数ペア:

[(1, 64981936), (2, 32490968), (4, 16245484), (8, 8122742), (16, 4061371), (257, 252848), (514, 126424), (1028, 63212), (2056, 31606), (4112, 15803)]