199720347815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{6676261}}^1$

素因数の和:6676490

約数の個数: 16

約数和(自身を含む): 248677406976

約数和(自身を除く): 48957059161

約数列:

[1, 5, 31, 155, 193, 965, 5983, 29915, 6676261, 33381305, 206964091, 1034820455, 1288518373, 6442591865, 39944069563, 199720347815]

約数ペア:

[(1, 199720347815), (5, 39944069563), (31, 6442591865), (155, 1288518373), (193, 1034820455), (965, 206964091), (5983, 33381305), (29915, 6676261)]