28668017

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 34636800

約数和(自身を除く): 5968783

約数列:

[1, 7, 19, 133, 439, 491, 3073, 3437, 8341, 9329, 58387, 65303, 215549, 1508843, 4095431, 28668017]

約数ペア:

[(1, 28668017), (7, 4095431), (19, 1508843), (133, 215549), (439, 65303), (491, 58387), (3073, 9329), (3437, 8341)]