78705771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 115349760

約数和(自身を除く): 36643989

約数列:

[1, 3, 19, 37, 57, 67, 111, 201, 557, 703, 1273, 1671, 2109, 2479, 3819, 7437, 10583, 20609, 31749, 37319, 47101, 61827, 111957, 141303, 391571, 709061, 1174713, 1380803, 2127183, 4142409, 26235257, 78705771]

約数ペア:

[(1, 78705771), (3, 26235257), (19, 4142409), (37, 2127183), (57, 1380803), (67, 1174713), (111, 709061), (201, 391571), (557, 141303), (703, 111957), (1273, 61827), (1671, 47101), (2109, 37319), (2479, 31749), (3819, 20609), (7437, 10583)]