28706188

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53959}}^1$

素因数の和:53989

約数の個数: 24

約数和(自身を含む): 60435200

約数和(自身を除く): 31729012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 53959, 107918, 215836, 377713, 755426, 1025221, 1510852, 2050442, 4100884, 7176547, 14353094, 28706188]

約数ペア:

[(1, 28706188), (2, 14353094), (4, 7176547), (7, 4100884), (14, 2050442), (19, 1510852), (28, 1025221), (38, 755426), (76, 377713), (133, 215836), (266, 107918), (532, 53959)]