28645253

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 36226008

約数和(自身を除く): 7580755

約数列:

[1, 7, 13, 49, 91, 193, 233, 637, 1351, 1631, 2509, 3029, 9457, 11417, 17563, 21203, 44969, 122941, 148421, 314783, 584597, 2203481, 4092179, 28645253]

約数ペア:

[(1, 28645253), (7, 4092179), (13, 2203481), (49, 584597), (91, 314783), (193, 148421), (233, 122941), (637, 44969), (1351, 21203), (1631, 17563), (2509, 11417), (3029, 9457)]