12701905

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 15611904

約数和(自身を除く): 2909999

約数列:

[1, 5, 83, 127, 241, 415, 635, 1205, 10541, 20003, 30607, 52705, 100015, 153035, 2540381, 12701905]

約数ペア:

[(1, 12701905), (5, 2540381), (83, 153035), (127, 100015), (241, 52705), (415, 30607), (635, 20003), (1205, 10541)]