28920451

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12791}}^1$

素因数の和:12834

約数の個数: 16

約数和(自身を含む): 36840960

約数和(自身を除く): 7920509

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12791, 89537, 217447, 243029, 1522129, 1701203, 4131493, 28920451]

約数ペア:

[(1, 28920451), (7, 4131493), (17, 1701203), (19, 1522129), (119, 243029), (133, 217447), (323, 89537), (2261, 12791)]