12245215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 15585120

約数和(自身を除く): 3339905

約数列:

[1, 5, 19, 95, 157, 785, 821, 2983, 4105, 14915, 15599, 77995, 128897, 644485, 2449043, 12245215]

約数ペア:

[(1, 12245215), (5, 2449043), (19, 644485), (95, 128897), (157, 77995), (785, 15599), (821, 14915), (2983, 4105)]