28131628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52879}}^1$

素因数の和:52909

約数の個数: 24

約数和(自身を含む): 59225600

約数和(自身を除く): 31093972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 52879, 105758, 211516, 370153, 740306, 1004701, 1480612, 2009402, 4018804, 7032907, 14065814, 28131628]

約数ペア:

[(1, 28131628), (2, 14065814), (4, 7032907), (7, 4018804), (14, 2009402), (19, 1480612), (28, 1004701), (38, 740306), (76, 370153), (133, 211516), (266, 105758), (532, 52879)]