71491511

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 95760000

約数和(自身を除く): 24268489

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 259, 481, 629, 1249, 1547, 3367, 4403, 8177, 8743, 16237, 21233, 46213, 57239, 113659, 148631, 276029, 323491, 600769, 785621, 1932203, 4205383, 5499347, 10213073, 71491511]

約数ペア:

[(1, 71491511), (7, 10213073), (13, 5499347), (17, 4205383), (37, 1932203), (91, 785621), (119, 600769), (221, 323491), (259, 276029), (481, 148631), (629, 113659), (1249, 57239), (1547, 46213), (3367, 21233), (4403, 16237), (8177, 8743)]