78870128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2141

約数の個数: 40

約数和(自身を含む): 161025408

約数和(自身を除く): 82155280

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 107, 184, 214, 368, 428, 856, 1712, 2003, 2461, 4006, 4922, 8012, 9844, 16024, 19688, 32048, 39376, 46069, 92138, 184276, 214321, 368552, 428642, 737104, 857284, 1714568, 3429136, 4929383, 9858766, 19717532, 39435064, 78870128]

約数ペア:

[(1, 78870128), (2, 39435064), (4, 19717532), (8, 9858766), (16, 4929383), (23, 3429136), (46, 1714568), (92, 857284), (107, 737104), (184, 428642), (214, 368552), (368, 214321), (428, 184276), (856, 92138), (1712, 46069), (2003, 39376), (2461, 32048), (4006, 19688), (4922, 16024), (8012, 9844)]