213425510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{4663}}^1$

素因数の和:4892

約数の個数: 32

約数和(自身を含む): 402969600

約数和(自身を除く): 189544090

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 995, 1990, 4577, 4663, 9154, 9326, 22885, 23315, 45770, 46630, 107249, 214498, 536245, 927937, 1072490, 1855874, 4639685, 9279370, 21342551, 42685102, 106712755, 213425510]

約数ペア:

[(1, 213425510), (2, 106712755), (5, 42685102), (10, 21342551), (23, 9279370), (46, 4639685), (115, 1855874), (199, 1072490), (230, 927937), (398, 536245), (995, 214498), (1990, 107249), (4577, 46630), (4663, 45770), (9154, 23315), (9326, 22885)]