28120638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51503}}^1$

素因数の和:51528

約数の個数: 32

約数和(自身を含む): 69221376

約数和(自身を除く): 41100738

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 51503, 103006, 154509, 309018, 360521, 669539, 721042, 1081563, 1339078, 2008617, 2163126, 4017234, 4686773, 9373546, 14060319, 28120638]

約数ペア:

[(1, 28120638), (2, 14060319), (3, 9373546), (6, 4686773), (7, 4017234), (13, 2163126), (14, 2008617), (21, 1339078), (26, 1081563), (39, 721042), (42, 669539), (78, 360521), (91, 309018), (182, 154509), (273, 103006), (546, 51503)]