12987295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3702

約数の個数: 16

約数和(自身を含む): 16791552

約数和(自身を除く): 3804257

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 3643, 18215, 83789, 112933, 418945, 564665, 2597459, 12987295]

約数ペア:

[(1, 12987295), (5, 2597459), (23, 564665), (31, 418945), (115, 112933), (155, 83789), (713, 18215), (3565, 3643)]