389612433

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26021}}^1$

素因数の和:26085

約数の個数: 32

約数和(自身を含む): 639516672

約数和(自身を除く): 249904239

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 4991, 14973, 26021, 78063, 182147, 546441, 598483, 806651, 1795449, 2419953, 4189381, 5646557, 12568143, 16939671, 18552973, 55658919, 129870811, 389612433]

約数ペア:

[(1, 389612433), (3, 129870811), (7, 55658919), (21, 18552973), (23, 16939671), (31, 12568143), (69, 5646557), (93, 4189381), (161, 2419953), (217, 1795449), (483, 806651), (651, 598483), (713, 546441), (2139, 182147), (4991, 78063), (14973, 26021)]