2912987870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{112601}}^1$

素因数の和:112820

約数の個数: 32

約数和(自身を含む): 5675140800

約数和(自身を除く): 2762152930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 112601, 225202, 563005, 1126010, 1463813, 2927626, 7319065, 14638130, 22407599, 44815198, 112037995, 224075990, 291298787, 582597574, 1456493935, 2912987870]

約数ペア:

[(1, 2912987870), (2, 1456493935), (5, 582597574), (10, 291298787), (13, 224075990), (26, 112037995), (65, 44815198), (130, 22407599), (199, 14638130), (398, 7319065), (995, 2927626), (1990, 1463813), (2587, 1126010), (5174, 563005), (12935, 225202), (25870, 112601)]