27871390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67979}}^1$

素因数の和:68027

約数の個数: 16

約数和(自身を含む): 51392880

約数和(自身を除く): 23521490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 67979, 135958, 339895, 679790, 2787139, 5574278, 13935695, 27871390]

約数ペア:

[(1, 27871390), (2, 13935695), (5, 5574278), (10, 2787139), (41, 679790), (82, 339895), (205, 135958), (410, 67979)]