28686238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107843}}^1$

素因数の和:107871

約数の個数: 16

約数和(自身を含む): 51765120

約数和(自身を除く): 23078882

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 107843, 215686, 754901, 1509802, 2049017, 4098034, 14343119, 28686238]

約数ペア:

[(1, 28686238), (2, 14343119), (7, 4098034), (14, 2049017), (19, 1509802), (38, 754901), (133, 215686), (266, 107843)]