78532671

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 123475968

約数和(自身を除く): 44943297

約数列:

[1, 3, 7, 21, 41, 123, 197, 287, 463, 591, 861, 1379, 1389, 3241, 4137, 8077, 9723, 18983, 24231, 56539, 56949, 91211, 132881, 169617, 273633, 398643, 638477, 1915431, 3739651, 11218953, 26177557, 78532671]

約数ペア:

[(1, 78532671), (3, 26177557), (7, 11218953), (21, 3739651), (41, 1915431), (123, 638477), (197, 398643), (287, 273633), (463, 169617), (591, 132881), (861, 91211), (1379, 56949), (1389, 56539), (3241, 24231), (4137, 18983), (8077, 9723)]