199720347841

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1\times {\mathrm{470219}}^1$

素因数の和:471564

約数の個数: 16

約数和(自身を含む): 233289308160

約数和(自身を除く): 33568960319

約数列:

[1, 7, 47, 329, 1291, 9037, 60677, 424739, 470219, 3291533, 22100293, 154702051, 607052729, 4249369103, 28531478263, 199720347841]

約数ペア:

[(1, 199720347841), (7, 28531478263), (47, 4249369103), (329, 607052729), (1291, 154702051), (9037, 22100293), (60677, 3291533), (424739, 470219)]