81496051

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 104670720

約数和(自身を除く): 23174669

約数列:

[1, 7, 13, 43, 59, 91, 301, 353, 413, 559, 767, 2471, 2537, 3913, 4589, 5369, 15179, 17759, 20827, 32123, 32981, 106253, 145789, 197327, 230867, 270751, 895561, 1381289, 1895257, 6268927, 11642293, 81496051]

約数ペア:

[(1, 81496051), (7, 11642293), (13, 6268927), (43, 1895257), (59, 1381289), (91, 895561), (301, 270751), (353, 230867), (413, 197327), (559, 145789), (767, 106253), (2471, 32981), (2537, 32123), (3913, 20827), (4589, 17759), (5369, 15179)]