28128212

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14149}}^1$

素因数の和:14231

約数の個数: 24

約数和(自身を含む): 57052800

約数和(自身を除く): 28924588

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 14149, 28298, 56596, 99043, 198086, 396172, 1004579, 2009158, 4018316, 7032053, 14064106, 28128212]

約数ペア:

[(1, 28128212), (2, 14064106), (4, 7032053), (7, 4018316), (14, 2009158), (28, 1004579), (71, 396172), (142, 198086), (284, 99043), (497, 56596), (994, 28298), (1988, 14149)]