28209806

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1367

約数の個数: 16

約数和(自身を含む): 43473408

約数和(自身を除く): 15263602

約数列:

[1, 2, 43, 86, 331, 662, 991, 1982, 14233, 28466, 42613, 85226, 328021, 656042, 14104903, 28209806]

約数ペア:

[(1, 28209806), (2, 14104903), (43, 656042), (86, 328021), (331, 85226), (662, 42613), (991, 28466), (1982, 14233)]