638896863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 940032000

約数和(自身を除く): 301135137

約数列:

[1, 3, 11, 33, 199, 271, 359, 597, 813, 1077, 2189, 2981, 3949, 6567, 8943, 11847, 53929, 71441, 97289, 161787, 214323, 291867, 593219, 785851, 1070179, 1779657, 2357553, 3210537, 19360511, 58081533, 212965621, 638896863]

約数ペア:

[(1, 638896863), (3, 212965621), (11, 58081533), (33, 19360511), (199, 3210537), (271, 2357553), (359, 1779657), (597, 1070179), (813, 785851), (1077, 593219), (2189, 291867), (2981, 214323), (3949, 161787), (6567, 97289), (8943, 71441), (11847, 53929)]