2019907045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{997}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 2655797760

約数和(自身を除く): 635890715

約数列:

[1, 5, 13, 65, 71, 355, 439, 923, 997, 2195, 4615, 4985, 5707, 12961, 28535, 31169, 64805, 70787, 155845, 353935, 405197, 437683, 920231, 2025985, 2188415, 4601155, 5689879, 28449395, 31075493, 155377465, 403981409, 2019907045]

約数ペア:

[(1, 2019907045), (5, 403981409), (13, 155377465), (65, 31075493), (71, 28449395), (355, 5689879), (439, 4601155), (923, 2188415), (997, 2025985), (2195, 920231), (4615, 437683), (4985, 405197), (5707, 353935), (12961, 155845), (28535, 70787), (31169, 64805)]