2102639945

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1937917}}^1$

素因数の和:1937960

約数の個数: 16

約数和(自身を含む): 2976642048

約数和(自身を除く): 874002103

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1937917, 9689585, 13565419, 60075427, 67827095, 300377135, 420527989, 2102639945]

約数ペア:

[(1, 2102639945), (5, 420527989), (7, 300377135), (31, 67827095), (35, 60075427), (155, 13565419), (217, 9689585), (1085, 1937917)]