31988159

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 37691136

約数和(自身を除く): 5702977

約数列:

[1, 7, 41, 227, 287, 491, 1589, 3437, 9307, 20131, 65149, 111457, 140917, 780199, 4569737, 31988159]

約数ペア:

[(1, 31988159), (7, 4569737), (41, 780199), (227, 140917), (287, 111457), (491, 65149), (1589, 20131), (3437, 9307)]