12191765

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 15106176

約数和(自身を除く): 2914411

約数列:

[1, 5, 61, 71, 305, 355, 563, 2815, 4331, 21655, 34343, 39973, 171715, 199865, 2438353, 12191765]

約数ペア:

[(1, 12191765), (5, 2438353), (61, 199865), (71, 171715), (305, 39973), (355, 34343), (563, 21655), (2815, 4331)]