72005521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 89084160

約数和(自身を除く): 17078639

約数列:

[1, 7, 29, 43, 73, 113, 203, 301, 511, 791, 1247, 2117, 3139, 3277, 4859, 8249, 8729, 14819, 21973, 22939, 34013, 57743, 91031, 140911, 239221, 354707, 637217, 986377, 1674547, 2482949, 10286503, 72005521]

約数ペア:

[(1, 72005521), (7, 10286503), (29, 2482949), (43, 1674547), (73, 986377), (113, 637217), (203, 354707), (301, 239221), (511, 140911), (791, 91031), (1247, 57743), (2117, 34013), (3139, 22939), (3277, 21973), (4859, 14819), (8249, 8729)]