1972026917

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 2329804800

約数和(自身を除く): 357777883

約数列:

[1, 7, 71, 127, 157, 199, 497, 889, 1099, 1393, 9017, 11147, 14129, 19939, 25273, 31243, 63119, 78029, 98903, 139573, 176911, 218701, 1415669, 1794383, 2218253, 3967861, 9909683, 12560681, 15527771, 27775027, 281718131, 1972026917]

約数ペア:

[(1, 1972026917), (7, 281718131), (71, 27775027), (127, 15527771), (157, 12560681), (199, 9909683), (497, 3967861), (889, 2218253), (1099, 1794383), (1393, 1415669), (9017, 218701), (11147, 176911), (14129, 139573), (19939, 98903), (25273, 78029), (31243, 63119)]