71280828

素因数分解:

$2^2\times 3^2\times {\mathrm{1980023}}^1$

素因数の和:1980033

約数の個数: 18

約数和(自身を含む): 180182184

約数和(自身を除く): 108901356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1980023, 3960046, 5940069, 7920092, 11880138, 17820207, 23760276, 35640414, 71280828]

約数ペア:

[(1, 71280828), (2, 35640414), (3, 23760276), (4, 17820207), (6, 11880138), (9, 7920092), (12, 5940069), (18, 3960046), (36, 1980023)]