28140035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73091}}^1$

素因数の和:73114

約数の個数: 16

約数和(自身を含む): 42100992

約数和(自身を除く): 13960957

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73091, 365455, 511637, 804001, 2558185, 4020005, 5628007, 28140035]

約数ペア:

[(1, 28140035), (5, 5628007), (7, 4020005), (11, 2558185), (35, 804001), (55, 511637), (77, 365455), (385, 73091)]