12919355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 16178400

約数和(自身を除く): 3259045

約数列:

[1, 5, 29, 139, 145, 641, 695, 3205, 4031, 18589, 20155, 89099, 92945, 445495, 2583871, 12919355]

約数ペア:

[(1, 12919355), (5, 2583871), (29, 445495), (139, 92945), (145, 89099), (641, 20155), (695, 18589), (3205, 4031)]