16080215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 20593440

約数和(自身を除く): 4513225

約数列:

[1, 5, 17, 85, 139, 695, 1361, 2363, 6805, 11815, 23137, 115685, 189179, 945895, 3216043, 16080215]

約数ペア:

[(1, 16080215), (5, 3216043), (17, 945895), (85, 189179), (139, 115685), (695, 23137), (1361, 11815), (2363, 6805)]