128583790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313619}}^1$

素因数の和:313667

約数の個数: 16

約数和(自身を含む): 237096720

約数和(自身を除く): 108512930

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 313619, 627238, 1568095, 3136190, 12858379, 25716758, 64291895, 128583790]

約数ペア:

[(1, 128583790), (2, 64291895), (5, 25716758), (10, 12858379), (41, 3136190), (82, 1568095), (205, 627238), (410, 313619)]