2506191

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 3572064

約数和(自身を除く): 1065873

約数列:

[1, 3, 17, 51, 157, 313, 471, 939, 2669, 5321, 8007, 15963, 49141, 147423, 835397, 2506191]

約数ペア:

[(1, 2506191), (3, 835397), (17, 147423), (51, 49141), (157, 15963), (313, 8007), (471, 5321), (939, 2669)]