71291549

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 83804160

約数和(自身を除く): 12512611

約数列:

[1, 7, 43, 239, 301, 991, 1673, 6937, 10277, 42613, 71939, 236849, 298291, 1657943, 10184507, 71291549]

約数ペア:

[(1, 71291549), (7, 10184507), (43, 1657943), (239, 298291), (301, 236849), (991, 71939), (1673, 42613), (6937, 10277)]