3889025

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 5606784

約数和(自身を除く): 1717759

約数列:

[1, 5, 7, 25, 35, 71, 175, 313, 355, 497, 1565, 1775, 2191, 2485, 7825, 10955, 12425, 22223, 54775, 111115, 155561, 555575, 777805, 3889025]

約数ペア:

[(1, 3889025), (5, 777805), (7, 555575), (25, 155561), (35, 111115), (71, 54775), (175, 22223), (313, 12425), (355, 10955), (497, 7825), (1565, 2485), (1775, 2191)]