28027748

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2389}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 56212800

約数和(自身を除く): 28185052

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 2389, 2933, 4778, 5866, 9556, 11732, 16723, 33446, 66892, 1000991, 2001982, 4003964, 7006937, 14013874, 28027748]

約数ペア:

[(1, 28027748), (2, 14013874), (4, 7006937), (7, 4003964), (14, 2001982), (28, 1000991), (419, 66892), (838, 33446), (1676, 16723), (2389, 11732), (2933, 9556), (4778, 5866)]