78104757

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 33869643

約数列:

[1, 3, 23, 69, 71, 107, 149, 213, 321, 447, 1633, 2461, 3427, 4899, 7383, 7597, 10281, 10579, 15943, 22791, 31737, 47829, 174731, 243317, 366689, 524193, 729951, 1100067, 1131953, 3395859, 26034919, 78104757]

約数ペア:

[(1, 78104757), (3, 26034919), (23, 3395859), (69, 1131953), (71, 1100067), (107, 729951), (149, 524193), (213, 366689), (321, 243317), (447, 174731), (1633, 47829), (2461, 31737), (3427, 22791), (4899, 15943), (7383, 10579), (7597, 10281)]