199881490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{5077}}^1$

素因数の和:5242

約数の個数: 32

約数和(自身を含む): 374390784

約数和(自身を除く): 174509294

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 635, 1270, 3937, 5077, 7874, 10154, 19685, 25385, 39370, 50770, 157387, 314774, 644779, 786935, 1289558, 1573870, 3223895, 6447790, 19988149, 39976298, 99940745, 199881490]

約数ペア:

[(1, 199881490), (2, 99940745), (5, 39976298), (10, 19988149), (31, 6447790), (62, 3223895), (127, 1573870), (155, 1289558), (254, 786935), (310, 644779), (635, 314774), (1270, 157387), (3937, 50770), (5077, 39370), (7874, 25385), (10154, 19685)]