16158191

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 19822320

約数和(自身を除く): 3664129

約数列:

[1, 7, 29, 49, 83, 137, 203, 581, 959, 1421, 2407, 3973, 4067, 6713, 11371, 16849, 27811, 79597, 117943, 194677, 329759, 557179, 2308313, 16158191]

約数ペア:

[(1, 16158191), (7, 2308313), (29, 557179), (49, 329759), (83, 194677), (137, 117943), (203, 79597), (581, 27811), (959, 16849), (1421, 11371), (2407, 6713), (3973, 4067)]