68580428

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12433}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 137868192

約数和(自身を除く): 69287764

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 12433, 24866, 49732, 87031, 174062, 348124, 2449301, 4898602, 9797204, 17145107, 34290214, 68580428]

約数ペア:

[(1, 68580428), (2, 34290214), (4, 17145107), (7, 9797204), (14, 4898602), (28, 2449301), (197, 348124), (394, 174062), (788, 87031), (1379, 49732), (2758, 24866), (5516, 12433)]