81993548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{225257}}^1$

素因数の和:225281

約数の個数: 24

約数和(自身を含む): 176602272

約数和(自身を除く): 94608724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 225257, 450514, 901028, 1576799, 2928341, 3153598, 5856682, 6307196, 11713364, 20498387, 40996774, 81993548]

約数ペア:

[(1, 81993548), (2, 40996774), (4, 20498387), (7, 11713364), (13, 6307196), (14, 5856682), (26, 3153598), (28, 2928341), (52, 1576799), (91, 901028), (182, 450514), (364, 225257)]